Amphenol
MIL-DTL-22992, Class ‘L’
TABLE OF CONTENTS
HEAVY DUTY, MIL-DTL-22992, CLASS L CONNECTORS
• Product Features, Benefits and Specifications. . . . . . 462
• Product Introduction, Features. . . . . . . . . . . . 463
• Insert Arrangements . . . . . . . . . . . . . . 464, 465
• Alternate Positioning . . . . . . . . . . . . . . . . 466
• How to Order. . . . . . . . . . . . . . . . . . . 467
Shell Styles:
• Wall Mount Receptacle (power source) MS (CL) 90555 . .
• Straight Plug MS (CL) 90556. . . . . . . . . . . .
• Cable Connecting Receptacle without
Coupling Ring MS (CL) 90557. . . . . . . . . . . .
• Wall Mount Plug with Coupling Ring
(equipment end) MS (CL) 90558. . . . . . . . . . .
468
469
470
471
Contacts, Accessories / Installation Instructions
• Contacts, Contact Bushings . . . . . . . . . . . . . 472
• Strain Reliefs, Sealing Glands, Protection Caps. . . . . 473
• Installation Instructions . . . . . . . . . . . . 474 - 477
MIL-DTL-22992, Class L Connector Typical Markets:
• Power Generators / Air Conditioning Units
• Ground Missile Systems
• Military Shelters / Military Communication Centers
• Medical Units
Amphenol
Aerospace
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
461
Amphenol
Aerospace
38999
• High Current Capacity
• Rugged Construction
• Safety
Accessories
Aquacon
Herm/Seal
PCB
Contacts
Matrix|Pyle
83723 III
26482
Matrix 2
EMI Filter
Transient
Cables
Amphenol meets the demands for heavy duty & heavy power connectors
with features that are critical to reliable interconnection in rugged
environmental conditions. Heavy Duty Class L* connectors are highly
suitable for industrial or military applications.
•
•
•
•
•
Heavy electrical loads: current range from 40 to 200 amperes
Direct current or single/three phase, 60/400 Hertz alternating current
Automatic grounding for safety
Meet MIL-DTL-22992 qualification
Resistance to the operating environments of heat, moisture, vibration,
high impact and immersion - see chart below.
• Double stub coupling threads for faster connections; no cross
threading, easy cleaning
• Left hand accessory threads to minimize cable twisting, wire breakage,
accidental connector disassembly
• Gaskets or “O” rings at appropriate surfaces for perfect weather tight
connections
Pyle
26500
5015
Crimp Rear
Release
Matrix
Class L
22992
BackShells
Options
Others
Class L Connectors
on a Power Unit
Amphenol Heavy Duty Class L connectors have been exposed to the following environmental
conditions, without compromise of mechanical integrity or degradation of electrical performance.
Condition
Thermal Shock
462
Class L Plug
and Receptacle
• Serviceability
High
Speed
Connectors
Large Circular for Military & Industrial
Product Features, Benefits and
Specifications
III
HD
Dualok
II
I
SJT
Fiber
Optics
Heavy Duty MIL-DTL-22992, Class L
Configuration
Unmated
Description
Reference
Five complete on hour temperature cycles of
–55°C to +125°C
MIL-STD-1344, method
1003, test condition A
Moisture Resistance
(Cable mounted connectors)
Mated
Ten complete 24 hour cycles of +25°C to +65°C
temperature at 90% to 98% humidity
MIL-STD-202, method
106
Durability
Mated
500 complete mating/unmating cycles
MIL-DTL-22992
48 hour exposure to atomized 5% saline solution
at +35°C
MIL-STD-1344, method
1001
Salt Spray (Corrosion)
Unmated
Vibration
Mated
10 to 55 Hz, .06 inch total excursion in 1 minute
cycles for 6 hours, 55 to 2000 Hz, 10G peak
amplitude sweep
MIL-STD-1344, method
2005
High Impact
Mated
Nine hammer blows from 1, 3 and 5 feet, three
each in three axes on mounting panel
MIL-STD-202, method
207
Heat Rise (Class L only)
Mated
Maximum rated DC current for four hours at
+25°C in still air
MIL-DTL-22992
20 hours immersion in hydraulic fluid and
lubricating oil
MIL-DTL-22992
4 hours immersion at 1 atmosphere pressure
differential
MIL-DTL-22992
Fluid Immersion
Unmated
Water Immersion
Mated and Unmated
Amphenol also supplies other series of heavy duty cylindrical connectors:
• QWLD Series - Military MIL-DTL-22992 qualified connectors and industrial equivalents.
• QWL Series - A more compact heavy duty design for industrial power and control applications.
• Star-Line, Star-Line EX Series - Industrial high power circulars.
See the Options/Others section of this catalog for more
* Amphenol Class L design is covered by one or more of the
following U.S. Patent Numbers: 3,023,396, 3,221,292
information on these series.
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
Amphenol
Aerospace
Heavy Duty MIL-DTL-22992, Class L
Product Introduction & Features
Shell Styles
The Amphenol Class “L” heavy duty connectors are the largest
size cylindricals. They are available only in the specific
configurations prescribed by MIL-DTL-22992 for either military
or industrial applications. This rigid configuration control assures
correct interconnection of electrical circuits for maximum safety
and reliability. Controlled parameters include:
• Connector shell style and contact type - Wall mount and
cable connecting receptacles are supplied with socket
contacts only, and always lead from the power source. Plugs
(with coupling rings) have pin contacts only, and always lead
to the equipment end.
• Shell size - The direct relationship of shell size to current
carrying capability reduces the possibility of inadequate
wiring for heavy electrical loads†.
Wall Mount
Receptacle
(power source)
38999
III
HD
Dualok
II
I
SJT
Accessories
Aquacon
Herm/Seal
PCB
Shell Size Current Rating (Amperes) Contact Size
28
Straight Plug
40
High
Speed
6
32
60
4
44
100
1/0
52
200
4/0
Fiber
Optics
Contacts
EMI Filter
Transient
• Keyway Position - Four positions of the main keyway are
Connectors
used to discriminate between the following power sources:
Cables
two wire D.C.
two wire single phase A.C.
three wire single phase A.C.
four wire three phase A.C.
• Insert rotation - When carrying alternating current (A.C.),
different angular rotations of the insert within the connector
shell are used to distinguish between 60 Hertz and 400 Hertz
circuits.
Design features of Amphenol Class L provide:
• Greatest Capacity - Current ranges 40 to 200 amps,
conductor sizes 6 to 4/0.
• Safety - Complete protection of personnel and equipment if
connectors are inadvertently disconnected under load.
• Foolproof Mating - Design incorporates voltage, current,
frequency, phase and grounding requirements
• Standardization - MIL-DTL-22992 Class L insert arrangements specify connector/cable combinations for maximum
reliability.
• Serviceable Contacts - Contacts are normally crimped to
the cable before connector assembly. No insertion tools
required. Bushings are available to adapt smaller diameter
wires to larger contacts.
• Arc Quenching Design - Recessed socket contacts within
the insert create an arc suppressing chamber which protects
the user when connectors are separated under load.
• Programmed Coupling Sequence - Grounding and neutral
contacts engage before power contacts.
• Waterproof Design - A unique combination of grommets
and seals provides waterproofing in any condition - mated or
unmated, capped or uncapped.
• Rugged Construction - Machined from high strength
aluminum. Straight-line attachment of accessories eliminates
possibility of cable twisting or misalignment.
• Accessories - Supplied with all Class L connectors as
indicated on the individual connector descriptions. Replacement accessories may be ordered separately. See pages
472 and 473.
Matrix 2
26482
Matrix|Pyle
83723 III
Cable Connecting
Receptacle
without Coupling Ring
Pyle
26500
Class L
22992
BackShells
Options
Others
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
5015
Crimp Rear
Release
Matrix
Wall Mount Plug with
Coupling Ring
(equipment end)
463
Amphenol
Aerospace
38999
III
HD
Dualok
II
I
SJT
Heavy Duty MIL-DTL-22992, Class L
Insert Arrangements
Shell Size 28, 40 amp rating
A N
C
B
28-12, 28-13
Three phase AC, 4 wire, grounding
Shell Size 32, 60 amp rating
High
Speed
G1
Fiber
Optics
N
A
EMI Filter
Transient
32-04, 32-05
Single phase AC, 2 wire, grounding
26482
Matrix 2
Matrix|Pyle
83723 III
Pyle
26500
5015
CO-04 HDF, (4-6-4/12R) 1090 per MIL-DTL-3432
Contacts:
Size
Pin
M39029/48
Socket
M39029/49
A, B, C
6
-317
-329
N, G
6N
-318
-329
Cable:
32-04
IPCEA, type G, round, two #6 conductors
32-05
CO-02 HDF, (2/4-2/8R) 1100 per MIL-DTL-3432
G2
Shell Size 32, 60 amp rating
Crimp Rear
Release
Matrix
28-13
Position
Cables
Class L
IPCEA, type G, round, four #8 conductors
Contacts:
Contacts
Connectors
22992
28-12
Position
G
Accessories
Aquacon
Herm/Seal
PCB
Cable:
A
N
C
B
4
-320
-331
4N
-321
-331
G1, G2
6N
-318
-329
Cable:
32-12
IPCEA, type G, round, four #6 conductors
32-13
CO-04 HDF, (4/4-4/12R) 1290 per MIL-DTL-3432
Contacts:
Size
Pin
M39029/48
Socket
M39029/49
A, B, C
4
-320
-331
N
4N
-321
-331
G
6N
-318
-329
32-12, 32-13
Three phase AC, 4 wire, grounding
Shell Size 44, 100 amp rating
Cable:
A
44-02
IPCEA, type W, round, two #2 conductors
44-03
CO-02 HDF, (2/1) 1385 per MIL-DTL-3432
Contacts:
BackShells
N
Size
Pin
M39029/48
Socket
M39029/49
A
1/0-1
-323
-333
N
1/0N-1
-324
-333
44-02, 44-03
28 Volts DC, 2 wire
IPCEA – Insulated Power Cable Engineers Association
Contact Legend
6
464
Socket
M39029/49
A
Position
Options
Others
Pin
M39029/48
N
Position
G
Size
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4
1/0
4/0
Amphenol
Aerospace
Heavy Duty MIL-DTL-22992, Class L
Insert Arrangements
38999
Shell Size 44, 100 amp rating
III
HD
Dualok
II
I
SJT
Accessories
Aquacon
Herm/Seal
PCB
Cable:
A
G4
44-12
IPCEA, type G, round, four #2 conductors
44-13
CO-04 HDF, (4/1-4/8R) 1620 per MIL-DTL-3432
G1
C
Contacts:
N
G3
G2
Position
Size
Pin
M39029/48
Socket
M39029/49
A, B, C
1/0-1
-323
-333
N
1/0N-1
-324
-333
G1, G2, G3, G4
6G
-319
-330
B
44-12, 44-13
Three phase AC, 4 wire, grounding
Shell Size 44, 100 amp rating
For Navy Ground Support Equipment use only.
High
Speed
Fiber
Optics
44-50
Available in MS90555 & MS90558 only
4 each #1 conductors
Contacts
Connectors
Cables
Cable:
G
B
44-56
Available in MS90556 only
IPCEA, type W, round, four #6 conductors
Contacts:
Size
Pin
M39029/48
Socket
M39029/49
A, B, C
1/0-1
-323
-333
G
1/0N-1
-324
-333
Position
44--50, 44-51, 44-52,44-56
Three phase AC, 3 wire, grounding
Matrix|Pyle
Available in MS90556 only
IPCEA, type W, round, four #2 conductors
83723 III
44-52
26482
Available in MS90556 & MS90557 only
IPCEA, type W, round, four #1 conductors
Matrix 2
C
44-51
EMI Filter
Transient
A
Pyle
26500
Shell Size 52, 200 amp rating
Cable:
G1
CO-04 HDE, (4/0000-4/4R) 2380
per MIL-DTL-3432
Contacts:
Pin
M39029/48
Socket
M39029/49
G3
G2
A, B, C
4/0
-327
-335
N
4/0N
-328
B
-335
G1, G2, G3, G4
4G
-322
-332
BackShells
Size
Position
Class L
N
52-13
Options
Others
52-12, 52-13
Three phase AC, 4 wire, grounding
IPCEA – Insulated Power Cable Engineers Association
22992
C
IPCEA, type G, round, four #4/0 conductors
5015
G4
52-12
Crimp Rear
Release
Matrix
A
Contact Legend
6
4
1/0
4/0
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465
Amphenol
Aerospace
38999
III
HD
Dualok
II
I
SJT
Accessories
Aquacon
Herm/Seal
PCB
Heavy Duty MIL-DTL-22992, Class L
Alternate Positioning
Alternate Insert Rotations
Alternate Master Key/Keyway Rotations
To avoid cross-plugging problems in applications requiring
the use of more than one connector of the same size and
arrangement, alternate insert rotations are available.
As shown in the diagrams below, position W, X, Y and Z
are possible rotations of the insert within Class L
connectors. The front face of the pin insert is rotated within
the shell in a clockwise direction from the normal shell key.
The socket insert would be rotated counter-clockwise the
same number of degrees in respect to the normal shell
key.
Another option for preventing cross-mating of
incompatible connector voltages is to choose an
alternate rotation of the key/keyway positions of the
connector shell. The diagram below shows positions 1,
4, 5 and 6 for the master key/keyway.
See how to order on next page; the alternate master
key/keyway position is Step 4 in building a part number.
See how to order on next page; the keying position letter
W, X, Y or Z goes at the end of the part number.
6
5
High
Speed
Fiber
Optics
B
A
B
A
A
B
A
B
Contacts
EMI Filter
Transient
26482
Matrix 2
Matrix|Pyle
83723 III
Pyle
26500
5015
Crimp Rear
Release
Matrix
Class L
22992
Position W
Position X
Position Y
Position Z
Views looking into front face of pin insert or rear of socket insert.
TYPICAL
SOCKET
ARRANGEMENT
15
REF
front face of receptacle shown
Note that insert arrangement does not
rotate with master key/keyway
Class L Insert Rotations
Insert
Arrangements
Keying Position
(degrees from normal position)
400 Hz
DC or 60 Hz
Normal
W
X
Y
Z
28-12
0
–
–
180
–
28-13
0
–
–
180
–
32-04
0
–
90
–
–
32-05
0
–
90
–
–
32-12
0
–
–
180
–
32-13
0
–
–
180
–
44-12
0
–
–
–
60
44-13
0
–
–
–
60
44-50
0
–
–
–
–
44-51
0
–
–
–
–
44-52
0
–
–
–
–
44-56
0
–
–
–
–
52-12
0
300
–
–
–
52-13
0
300
–
–
–
Options
Others
BackShells
N
Normal
1
Connectors
Cables
4
MASTER
KEYWAY
466
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Amphenol
Aerospace
Heavy Duty MIL-DTL-22992, Class L
How to Order
Easy Steps to build a part number... Class L Series
38999
1.
2.
3.
4.
5.
6.
7.
MS
Number
Shell
Finish
Shell
Size
Alternate Master Key/
Keyway Position
Insert
Arrangement
Contact
Type
Alternate Insert
Rotation
MS90555
C
32
4
12
S
Y
Commercial
Number
Shell
Finish
Shell
Size
Alternate Master Key/
Keyway Position
Insert
Arrangement
Contact
Type
Alternate Insert
Rotation
CL90555*
C
32
4
12
S
Y
Step 1. Select a MS Number
MS90555
MS90556
MS90557
MS90558
Step 1. Select a Commercial Number
Designates
Wall Mount Receptacle (Power Source)
Straight Plug
Cable Connecting Receptacle without Coupling Ring
Wall Mount Plug with Coupling Ring (Equipment End)
CL90555
CL90556
CL90557
CL90558
Designates
Wall Mount Receptacle (Power Source)
Straight Plug
Cable Connecting Receptacle without Coupling Ring
Wall Mount Plug with Coupling Ring (Equipment End)
III
HD
Dualok
II
I
SJT
Accessories
Aquacon
Herm/Seal
PCB
High
Speed
Step 2. Select a Shell Finish
C
N
Designates
Conductive for AC circuits
Non-conductive for DC circuits
Fiber
Optics
Grounding Assemblies: Finish C
Non-grounding Assemblies: Finish N
Shell Master Key/Keyway Position
3 Phase
3 Wire
120 VAC 240 VAC
120/240
VAC
450/480
VAC
4 (120°)
5 (135°)
4 (120°)
–
4 Wire
120/208 240/416
VAC
VAC
277/480
VAC
4 (120°)
6 (150°)
28
5 (135°)
DC
2 Wire
28 VDC
40
N (105°)
32
60
4 (120°)
5 (135°)
4 (120°)
–
4 (120°)
5 (135°)
6 (150°)
32
60
N (105°)
44
100
4 (120°)
–
4 (120°)
1 (60°)
4 (120°)
5 (135°)
6 (150°)
44
100
N (105°)
52
200
–
–
4 (120°)
–
4 (120°)
5 (135°)
6 (150°)
52
200
N (105°)
Step 3. Select a Shell Size - (related directly to
current carrying capability)
Pyle
Designates Current Carrying Capability
40 amperes
60 amperes
100 amperes
200 amperes
N designates normal position. Positions 1, 4, 5 and 6 of the master key/keyway
prevent cross-mating of incompatible voltages. See diagram on page 466.
Class L
See pages 464-465 for available insert arrangements for Class L connectors.
Insert arrangements are determined by connector size (current carrying
capability) and cable configuration to be accommodated.
*Commercial Numbers are supplied less protection caps and strain reliefs
which can be added separately.
Options
Others
MS90555/CL90555 and MS90557/CL90557 are supplied with socket contacts only. MS90556 /CL90556 and MS90558/CL90558 are supplied with
pin contacts only.
BackShells
P
S
Step 7. Select an Alternate Insert Rotation if needed
Used to prevent cross-mating of incompatible frequencies.
Absence of a letter in this space indicates Normal (0°)
position of the insert. Refer to page 466.
Designates
Pin Contacts
Socket Contacts
22992
Step 5. Select an Insert Arrangement
5015
Crimp Rear
Release
Matrix
Step 4. Select an Alternate Master Key/Keyway Position if needed
Step 6. Select a Contact Type
26500
28
32
44
52
Matrix|Pyle
3 Wire
Current
Rating
Amps
83723 III
2 Wire
Shell
Size
26482
40
1 Phase
Cables
Matrix 2
28
60Hz & 400 Hz
Current
Rating
Amps
Connectors
EMI Filter
Transient
Shell
Size
Shell Master Key/Keyway
Position
Contacts
Amphenol Federal Vendor Identification FSCM77820
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467
Amphenol
Aerospace
38999
PART #
III
HD
Dualok
II
I
SJT
MS (CL) 90555, MIL-DTL-22992, Class L
Wall Mount Receptacle (power source)
To complete, see how to order page 467.
Part
Number
Shell
Finish
Shell
Size
Master Key/Keyway
Position
Insert
Arrangement
Contact
Type
Alternate
Insert Rotation
MS90555
CL90555**
C or N
C or N
XX
XX
X
X
XX
XX
P or S
P or S
X
X
F*
J
S
Accessories
Aquacon
Herm/Seal
PCB
+.011
–.010
.312
.531
MIN
FULL
THD
R
.031
±.005
A
High
Speed
Fiber
Optics
G
N
Contacts
Connectors
5015
Matrix|Pyle
GROMMET
T
4 HOLES
GASKET
.750 +.031
–.000
H
Shell
Size
A Thread
Class 2A
.1428P-.2857L
Double Stub
F*
±.031
G Dia.
+.006
–.010
H
±.005
J
+.016
–.000
N Dia.
+.011
–.020
R
(BSC)
S
+.021
–.020
T Dia.
±.005
28
2.000
1.376
1.938
1.514
2.188
2.000
1.844
2.375
.177
32
2.250
1.376
2.188
1.514
2.188
2.250
2.062
2.625
.209
44
3.000
1.438
3.062
1.733
2.532
3.125
2.812
3.375
.281
52
3.500
1.438
3.562
1.733
2.532
3.625
3.156
3.875
.281
All dimensions for reference only.
Protective cover MS90563 is supplied as part of this connector assembly. Refer to page 473 for dimensions.
*F dimension applies only when rear nut is fully tightened.
**Commercial Numbers are supplied less protection caps and strain reliefs which can be added separately.
Options
Others
BackShells
Class L
22992
Crimp Rear
Release
Matrix
Pyle
26500
83723 III
26482
Matrix 2
EMI Filter
Transient
Cables
468
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
Amphenol
Aerospace
MS (CL) 90556, MIL-DTL-22992, Class L
Straight Plug
PART #
Part
Number
Shell
Finish
Shell
Size
Master Key/Keyway
Position
Insert
Arrangement
Contact
Type
Alternate
Insert Rotation
MS90556
CL90556*
C or N
C or N
XX
XX
X
X
XX
XX
P or S
P or S
X
X
L
M
38999
To complete, see how to order page 467.
.750 +.031
–.000
C
"O" RING
GLAND
MAIN JOINT
GASKET
K
A
III
HD
Dualok
II
I
SJT
Accessories
Aquacon
Herm/Seal
PCB
High
Speed
E
N
Fiber
Optics
Q
Contacts
Connectors
Cables
EMI Filter
Transient
2.689
1.557
8.188
1.557
8.188
.969-.844
32-13
1.130-1.005
M
Approx.
Free Length
7.188
7.188
8.688
44-02
1.312-1.187
10.688
44-03
1.438-1.313
1.776
10.172
9.688
10.688
44-13
1.672-1.547
12.688
44-51
1.734-1.609
11.688
44-52
3.000
3.667
1.776
10.172
1.135-1.065
3.500
4.167
2.328-2.183
2.453-2.308
2.562
2.500
3.531
11.188
2.500
3.531
3.250
4.016
7.188
1.776
11.109
17.188
18.188
BackShells
All dimensions for reference only.
Protective cover MS90564 is supplied as part of this connector assembly. Refer to page 473 for dimensions.
Contact bushings MS3348 are supplied as part of connector as required. Refer to page 472 for dimensions.
*Commercial Numbers are supplied less protection caps and strain reliefs which can be added separately.
Class L
52-12
52-13
1.525-1.435
2.000
22992
44-56
2.312
5015
1.516-1.391
2.000
Crimp Rear
Release
Matrix
44-12
3.667
Q Dia.
Max.
7.188
7.188
1.342-1.217
3.000
N Dia.
+.011
–.020
Pyle
2.250
32-04
32-05, 32-12
1.047-.922
1.130-1.005
L Max.
Free Length
26500
2.439
K
±.005
Matrix|Pyle
2.000
E
Cable Range
83723 III
C Dia.
Max.
26482
28-12
28-13
A Thread
Class 2A
.1428P-.2857L
Double Stub
Matrix 2
Shell Size
and
Arrangement
Options
Others
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
469
Amphenol
Aerospace
38999
III
HD
Dualok
II
I
SJT
PART #
MS (CL) 90557, MIL-DTL-22992, Class L
Cable Connecting Receptacle without coupling ring
To complete, see how to order page 467.
Part
Number
Shell
Finish
Shell
Size
Master Key/Keyway
Position
Insert
Arrangement
Contact
Type
Alternate
Insert Rotation
MS90557
CL90557*
C or N
C or N
XX
XX
X
X
XX
XX
P or S
P or S
X
X
L
C
Accessories
Aquacon
Herm/Seal
PCB
M
.531
MIN FULL THD
A
High
Speed
Fiber
Optics
E
Contacts
Connectors
5015
Matrix|Pyle
"O" RING
Shell Size
and
Arrangement
28-12
28-13
A Thread
Class 2A
.1428P-.2857L
Double Stub
B
±.005
C Dia.
Max.
2.000
1.514
2.439
2.250
1.514
2.689
32-04
32-05, 32-12
GLAND
.750 +.031
–.000
B
E
Cable Range
1.047-.922
1.130-1.005
L Max.
Free Length
8.156
.969-.844
32-13
1.130-1.005
M
Approx.
Free Length
7.188
7.188
7.188
8.688
44-02
1.312-1.187
10.688
44-03
1.438-1.313
9.688
44-12
3.000
1.733
3.667
1.516-1.391
10.125
10.688
1.672-1.547
12.688
44-51
1.734-1.609
11.688
52-12
2.328-2.183
52-13
3.500
1.733
4.167
2.453-2.308
2.000
7.188
8.156
1.342-1.217
44-13
N Dia.
+.011
–.020
11.062
17.188
18.188
2.000
2.500
3.250
All dimensions for reference only.
Protective cover MS90563 is supplied as part of this connector assembly. Refer to page 473 for dimensions.
Contact bushings MS3348 are supplied as part of connector as required. Refer to page 472 for dimensions.
*Commercial Numbers are supplied less protection caps and strain reliefs which can be added separately.
Options
Others
BackShells
Class L
22992
Crimp Rear
Release
Matrix
Pyle
26500
83723 III
26482
Matrix 2
EMI Filter
Transient
Cables
470
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
N
Amphenol
Aerospace
MS (CL) 90558, MIL-DTL-22992, Class L
Wall Mount Plug with Coupling Ring (equipment end)
PART #
J
F
.031
±.005
.312 +.011
–.010
K
38999
To complete, see how to order page 467.
Part
Number
Shell
Finish
Shell
Size
Master Key/Keyway
Position
Insert
Arrangement
Contact
Type
Alternate
Insert Rotation
MS90558
CL90558**
C or N
C or N
XX
XX
X
X
XX
XX
P or S
P or S
X
X
S
MAIN JOINT
GASKET
GASKET
R
A
GROMMET
III
HD
Dualok
II
I
SJT
Accessories
Aquacon
Herm/Seal
PCB
High
Speed
N
Fiber
Optics
Q
G
Contacts
Connectors
Cables
J
±.031
K
±.005
N Dia.
+.011
–.020
Q Dia.
Max.
R
(BSC)
S
+.021
–.020
T Dia.
±.005
28
2.000
2.639
1.938
.959
1.557
2.000
2.312
1.844
2.375
.177
32
2.250
2.639
2.188
.959
1.557
2.250
2.562
2.062
2.625
.209
2.998
3.062
1.021
1.776
3.125
3.531
2.812
3.375
.281
2.998
3.562
1.021
1.776
3.625
4.016
3.156
3.875
.281
5015
Crimp Rear
Release
Matrix
All dimensions for reference only.
Protective cover MS90564 is supplied as part of this connector assembly. Refer to page 473 for dimensions.
*F dimension applies only when rear nut is fully tightened.
**Commercial Numbers are supplied less protection caps and strain reliefs which can be added separately.
Pyle
3.000
3.500
26500
44
52
Matrix|Pyle
G Dia.
+.006
–.010
83723 III
F*
+.016
–.000
26482
A Thread
Class 2A
.1428P-.2857L
Double Stub
INTERFACIAL
SEAL
Matrix 2
Shell
Size
T
4 HOLES
EMI Filter
Transient
.750 +.031
–.000
Class L
22992
BackShells
Options
Others
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
471
Amphenol
Aerospace
MIL-DTL-22992, Class L Accessories
Contacts, Contact Bushings
38999
III
HD
Dualok
II
I
SJT
A
REF
.750
+.031
–.000
M39029/48
Pin Contact
H
Accessories
Aquacon
Herm/Seal
PCB
High
Speed
G
B
D
C
K
REF
M39029/49
Socket Contact
.750
+.031
–.000
Fiber
Optics
Contacts
H
Connectors
G
J
C
5015
Matrix|Pyle
Order Replacement Contacts by MS part number listed below for either Socket or Pin:
Socket
MS Part Number
Pin
MS Part Number
Contact
Size
Wire
Well
Size
A
Ref.
B
±.005
M39029/49-335
M39029/48-327
4/0
4/0
3.207
2.097
–
M39029/48-328
4/0N
4/0
3.325
2.215
M39029/49-333
M39029/48-323
1/0
1
3.207
2.097
–
M39029/48-324
1/0N
1
3.325
2.215
M39029/49-331
–
M39029/49-329
–
M39029/49-332
M39029/49-330
M39029/48-320
M39029/48-321
M39029/48-317
M39029/48-318
M39029/48-322
M39029/48-319
4
4N
6
6N
4G
6G
4
4
6
6
4
6
2.786
2.904
2.786
2.904
2.856
2.856
1.738
1.856
1.738
1.856
1.756
1.746
MS3348
Contact
Bushing
Options
Others
C
Dia.
+.004
–.003
+.004
.641
–.003
+.004
.406
–.003
+.004
.406
–.003
.281 ±.002
.281 ±.002
.234 ±.002
.234 ±.002
.281 ±.002
.234 ±.002
.641
D
Dia.
±.001
H
Dia.
+.004
–.003
+.004
.750
–.003
+.004
.506
–.003
+.004
.506
–.003
.374 ±.002
.374 ±.002
.312 ±.002
.312 ±.002
.374 ±.002
.312 ±.002
.500
.781 ±.003 .750
.500
.781 ±.003
.357
.609 ±.003
.357
.609 ±.003
.225
.225
.178
.178
.225
.178
.417 ±.002
.417 ±.002
.342 ±.002
.342 ±.002
.417 ±.002
.342 ±.002
J
±.005
K
Ref.
1.283
2.393
–
–
1.283
2.393
–
–
1.158
–
1.158
–
1.752
1.752
2.206
–
2.206
–
2.862
2.862
Contact Wire
Barrel Size
(Ref)
Wire
Size
(Ref)
A Dia.
+.010
–.003
B Dia.
+.002
–.003
MS3348-1-2L
1
2
.359
.396
MS3348-4-5L
4
5
.250
.272
MS3348-4-6L
4
6
.225
.272
MS3348-6-8L
6
8
.185
.225
MS3348-6-9L
6
9
.155
.225
MS3348-1-6L
1
6
.225
.396
MS3348-4-8L
4
8
.185
.272
MS3348-6-10L
6
10
.136
.225
4/0
2/0
.500
.629
MS
Part Number
+.017
.700 –.016
B
A
MS3348-4/0-2/0L
See page 476 and 477 for information on Contact Removal Tools for Class L connectors.
472
G
Dia.
Order Contact Bushings by MS part number listed below:
BackShells
Class L
22992
Crimp Rear
Release
Matrix
Pyle
26500
83723 III
26482
Matrix 2
EMI Filter
Transient
Cables
All dimensions for reference only.
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
Amphenol
Aerospace
MIL-DTL-22992, Class L Accessories
Strain Reliefs, Sealing Glands, Protection Caps
38999
Order Strain Reliefs by MS part number listed below:
MS90561
Cable Strain
Relief
A
L
H
MS23747
Cable
Sealing Gland
MS
Part Number
Arrangement
Number
Max.
Min.
MS90561-2
28-13, 32-12
1.797
1.145
1.003
MS90561-4
28-02, -28-04
1.797
.844
.688
7.500
MS90561-12
28-12
1.797
1.047
.891
8.000
MS90561-13
32-13
1.797
1.342
1.185
9.500
MS90561-15
44-12
2.235
1.516
1.360
11.500
MS90561-16
44-13
2.235
1.688
1.531
13.500
MS90561-17
52-12
2.922
2.328
2.039
18.000
MS90561-18
52-13
2.922
2.500
2.211
19.000
MS90561-19
44-51
2.235
1.750
1.550
12.500
MS90561-20
44.52
2.235
1.578
1.375
12.000
MS90561-21
44-56
2.235
1.160
1.010
8.000
MS
Part Number
Arrangement
Number
A Dia.
+.000
–.020
B Dia.
+.020
–.000
C
±.010
Min
Cable
Dia. Ref.
MS23747-2
28-13, 32-05, 32-12
1.805
1.130
1.034
1.005
MS23747-12
28-12
1.805
1.047
1.034
.922
MS23747-13
32-13
1.805
1.342
1.034
1.217
MS23747-14
44-03
2.242
1.438
1.160
1.313
MS23747-15
44-12
2.242
1.516
1.160
1.391
MS23747-16
44-13
2.242
1.672
1.160
1.547
1.284
2.183
1.284
2.308
1.609
MS23747-20
44-51
2.242
1.734
1.160
MS23747-21
44.52
2.242
1.562
1.160
1.437
MS23747-22
44-56
2.242
1.150
1.160
1.025
C Approx.
MS90563-1(
)
28
2.000
.177
.177
6.000
MS90563-3(
)
32
2.250
.209
–
4.500
32
2.250
–
.177
6.000
44
3.000
.281
.281
7.500
52
3.500
.281
.281
7.500
A
B
MS90564 Protection Caps used with
MS90556 Straight Plug, MS90558 Wall Mount Plug
C
For
Approx.
MS90558
.969
MAX
J
Max.
)
28
2.000
.177
.177
7.500
2.266
MS90564-3(
)
32
2.250
–
.209
6.000
2.266
MS90564-4(
)
32
2.250
.177
–
7.500
2.266
MS90564-7(
)
44
3.000
.281
.281
8.500
2.484
52
3.500
.281
.281
8.500
2.484
MS90564-11(
)
A
GASKET
Options
Others
MS90564-1(
BackShells
B Dia. Ref.
For
MS90556
Class L
)
)
C
22992
MS90563-4(
MS90563-7(
RIVET
5015
For
MS90557
Pyle
For
MS90555
B Dia. Ref.
26500
A Thread
Class 2B
.1428P-.2857L
Double Stub
J
Crimp Rear
Release
Matrix
Use with
Shell
Size
A Thread
Use with
Class 2B
Shell
.1428P-.2857L
Size
Double Stub
Cables
All dimensions for reference only.
MS90563 Protection Caps used with
MS90555 Wall Mount Receptacle, MS90557 Cable Connecting Receptacle
MS
Part Number
Connectors
Matrix|Pyle
2.328
2.453
Contacts
83723 III
2.927
2.927
Fiber
Optics
26482
52-12
52-13
High
Speed
Matrix 2
MS23747-18
MS23747-19
Order Protection Caps by MS part number listed in charts below.
To complete the MS part number add letter C (Conductive) for AC
or N (Non-Conductive) for DC connector assemblies.
)
8.000
III
HD
Dualok
II
I
SJT
Accessories
Aquacon
Herm/Seal
PCB
EMI Filter
Transient
A
B
Protection Caps
MS90563-11(
L
Approx.
Order Cable Sealing Glands by MS part number listed below:
C
MS
Part Number
H Dia.
Cable Range
A Dia.
+.000
–.010
C
B
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
473
Amphenol
Aerospace
38999
III
HD
Dualok
II
I
SJT
(MS90556 and MS90557 connectors only)
The following table shows the standard wire color coding, generator terminal
markings, and connector contact identification used with Class L connectors.
Standardized Generator Wiring and Connections
Generator
Terminal Marking
+ (POS)
– (NEG) ground
High
Speed
Contacts
Connectors
Matrix|Pyle
Contact
Designation
Conductor
Circuit
Wire Color
28Vdc
28Vdc
A
N
Positive
Negative
Black
White
AC
AC
AC
AC
AC
A
B
C
N
G
Phase A
Phase B
Phase C
Neutral
Safety grounding
Black
Red
Blue (Commercial may be orange)
White
Green (Commercial may be bare)
Step 1) Determine cable lay to facilitate alignment of contacts and insert
holes without wire crossing.
Step 2) Strip cable jacket to dimension shown. Avoid cutting or nicking
individual conductor insulation.
Connector
Size
D Inches
Approx.
28
3.000
32
3.000
44
4.250
52
5.000
OUTER
JACKET
D
SEE
NOTE
NOTE: Some insert arrangements require that two or
more ground wires are terminated into one contact.
Dimension D must therefore be increased to permit
routing these wires around the larger conductors.
Step 3) Install connector components in the order shown in the applicable
assembly view illustrated on pages 475 and 476.
Step 4) Strip insulation of individual conductors to 3/4 inch from end of
connector.
Options
Others
BackShells
Class L
22992
5015
L1
L2
L3
L0
G (or Gnd)
Current
Crimp Rear
Release
Matrix
Pyle
26500
83723 III
26482
Matrix 2
EMI Filter
Transient
Cables
Complete installation instructions (L-1014) for Class L connectors are
available online at www.amphenol-aerospace.com
The following pages are condensed assembly instructions to familiarize the
user with the installation procedure and tooling required.
Cable Preparation
Accessories
Aquacon
Herm/Seal
PCB
Fiber
Optics
MIL-DTL-22992, Class L
Installation Instructions
474
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
Amphenol
Aerospace
MIL-DTL-22992, Class L
Installation Instructions, cont.
38999
MS90555
Wall Mount Receptacle
5
2
III
HD
Dualok
II
I
SJT
Accessories
Aquacon
Herm/Seal
PCB
1
Wall Mount Receptacle
Components:
1. Shell
2. Insert Assembly, Socket
3. Contact, Socket
4. Grommet Assembly,
Socket
5. Nut, Retaining
6. Protective Cap Assembly
(not shown)
High
7. Flange Gasket (not shown) Speed
4
3
Fiber
Optics
Contacts
Connectors
Cables
EMI Filter
Transient
MS90556
Straight Plug
5
BackShells
Options
Others
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
Class L
NOTE: On shell size 32 connectors, item #6 (gland washer) is contained within
item #5 (back adapter).
22992
1
5015
2
Pyle
3
26500
4
10
Crimp Rear
Release
Matrix
11
Straight Plug Components:
1. Shell & Coupling Nut
Assembly
2. Insert Assembly, Pin
3. Contact, Pin
4. Spacer Assembly, Pin
5. Back Adapter
6. Gland Washer
7. Gland
8. Cable Grip
9. Gland Nut
10. Lockwasher (3 each)
11. Screw (3 each)
12. Protective Cap Assembly
(not shown)
Matrix|Pyle
6
83723 III
7
26482
8
Matrix 2
9
475
Amphenol
Aerospace
38999
III
HD
Dualok
II
I
SJT
MIL-DTL-22992, Class L
Installation Instructions, cont.
MS90557
Cable Connecting Receptacle
9
8
7
6
5
Accessories
Aquacon
Herm/Seal
PCB
High
Speed
Fiber
Optics
Contacts
Connectors
11
Matrix|Pyle
4
3
2
NOTE: On shell size 32 connectors, item #6 (gland washer) is contained within
item #5 (back adapter).
MS90558
Wall Mount Plug
2
Wall Mount Plug Components:
1. Shell & Coupling Nut
Assembly
2. Insert Assembly, Socket
3. Contact, Pin
4. Grommet Assembly, Pin
5. Nut, Retaining
6. Protective Cap Assembly
(not shown)
7. Flange Gasket (not shown)
Pyle
5015
Crimp Rear
Release
Matrix
Class L
22992
5
4
3
1
Options
Others
BackShells
10
1
26500
83723 III
26482
Matrix 2
EMI Filter
Transient
Cables
Cable Connecting Receptacle
Components:
1. Shell
2. Insert Assembly, Socket
3. Contact, Socket
4. Spacer Assembly, Socket
5. Back Adapter
6. Gland Washer
7. Gland
8. Cable Grip
9. Gland Nut
10. Lockwasher (3 each)
11. Screw (3 each)
12. Protective Cap Assembly
(not shown)
476
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
Amphenol
Aerospace
MIL-DTL-22992, Class L
Installation Instructions, cont.
38999
Contact Installation
III
HD
Dualok
II
I
SJT
Accessories
Aquacon
Herm/Seal
PCB
Step 1) Insert stripped conductors in contact wirewells. If contact bushing is used, insert
conductor in bushing and bushing in contact wirewell. If two or more ground wires
are inserted into a single contact, make sure all wires are fully seated in wirewell.
Step 2) Select correct crimping tool, locator and die combination from the table for contacts
to be installed. With conductor or contact bushing in place, insert contact into tool.
Close crimping die fully to form a uniform crimp.
Size
Type
Crimping
Tool*
Locator*
Die*
Removal
Tool
M39029/48-327
M39029/49-335
M39029/48-328
4/0
4/0
4/0N
P
S
P
Pico Model 400B
or
400B-1
4297-1
414DA-4/0N-1
MS90562-1
M39029/48-323
M39029/49-333
M39029/48-324
1/0
1/0
1/0N
P
S
P
Pico Model 400B
or
400B-1
4297-3
414DA-1/0N
MS90562-3
M39029/48-320
M39029/49-331
M39029/48-321
M39029/48-322
M39029/49-332
4
4
4N
4G
4G
P
S
P
P
S
Pico Model 400B
or
400B-1
M39029/48-317
M39029/49-329
M39029/48-318
M39029/48-319
M39029/49-330
6
6
6N
6G
6G
P
S
P
P
S
Pico Model 400B
or
400B-1
4297-5
4297-6
* Available from Pico Crimping Tools Co.,
9832 Jersey Ave., Santa Fe Springs, Ca
90670
Phone: 805-388-5510
Contacts
Connectors
Cables
Contact Removal
Matrix|Pyle
83723 III
Step 1) Loosen all rear accessories and slide back along cable.
Step 2) Remove spacer or grommet assembly with contacts
from connector insert.
Step 3) Using the appropriate size contact removal tool, push
tool over front of contact until it bottoms in spacer or
grommet assembly hole. This will open contact retaining
bushing and allow contact to be removed from the
spacer or grommet assembly from the rear. When using
jacketed cable, all contacts should be released from
contact retention bushings before removal from spacer
or grommet assembly is accomplished.
Pyle
26500
MS90562 Contact Removal Tool
2.500 ±.016
5015
Crimp Rear
Release
Matrix
A
Class L
Contact
Size
A Dia.
+.000
–.002
M81969/27-01
4/0
.790
M81969/27-02
2/0
.696
M81969/27-03
1/0
.558
M81969/27-04
2
.462
M81969/27-05
4
.376
M81969/27-06
6
.354
Options
Others
MS Part
Number
BackShells
Order MS90562 contact Removal Tool by MS part
number listed below:
22992
Step 1) If inserts are not already positioned in the
connector shell, align large tab on insert with
large slot in shell and push insert in until it
bottoms in shell.
Step 2) Apply a thin coating of Dow Corning DC-4
lubricant to the periphery of contact holes in
spacer or grommet assembly. Push contacts into
rear of spacer or grommet assembly until locked
into contact retainer bushing.
Step 3) Align contacts with proper holes in insert. Small
key of insert must be aligned with appropriate
keyway in spacer or grommet assembly. Slide
contacts into insert holes until spacer or grommet
assembly butts against insert. A thin film of Dow
Corning DC-4 lubricant applied to the periphery
of insert contact holes will provide maximum
sealing efficiency.
Step 4) Assemble accessories to connector. The back
adapter “O” ring should have a very thin film of
Dow Corning DC-4 lubricant applied. Outer
surfaces only of gland should be lubricated with a
thin film of UniTemp Grease EP. Avoid getting
grease on inside surfaces of gland and on cable
jacket.
Step 5) Tighten retaining nut or gland nut on shell or
adapter. A metal-to-metal seating condition is
desirable, but may not be attainable with
maximum cable diameters.
MS90562-6
Fiber
Optics
26482
Connector Assembly
414DA-6N
MS90562-5
Matrix 2
If crimping tools are available, contacts may be
affixed to conductors by soldering. Use rosin-alcohol
solder flux, a good grade of 60/40 solder and a 500
watt soldering iron or probe type resistance
soldering equipment. Pre-tin conductors before
soldering. Solder must not be present on shoulder or
retention area of contact.
414DA-4N
High
Speed
EMI Filter
Transient
Contact
Part Number
All dimensions for reference only.
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
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