M55181/2-01

MW Series MIL-DTL-55181 I ntroduction & Page Contents Introduction Amphenol MW series power connectors are MIL Qualified & listed in QPL & meets the requirement of MIL-DTL-55116. MW series power connectors are with center lock coupling screw, waterproof & polarized. Connectors used for interconnection of power & control circuit electric equipment specially in U.S. Army Communication System. These connectors are designed to withstand high shock & vibrations ensured with center locking screw mechanism. Military Radios Harsh Environment Communications Ground Vehicles Page Introduction 1 Specification 2 QPL Approval Letter 3 Receptacle Assembly & Plug Assembly 4 Receptacle Connector & Plug Connector 5-7 List Of Qualified Part Numbers 8 1 S pecification Materials & Finish Part Material Plug Shell Aluminum Alloy Receptacle Shell Brass Nose Piece Alloy Steel Draw Screws Pin Contact Socket Contact Stainless Steel Brass Copper Alloy with BeCu Spring Element Glass-filled dially phthalate, type GDF-30F or SDG-F Insulator Finishes Cadmium Plate with Olive drab chromate finish Cadmium Plate with Olive drab chromate finish Cadmium Plate with Olive drab chromate finish Passivation 1.27 Micron Gold over Nickel 1.27 Micron Gold over Nickel Mechanical Contact Retention Durability Insert Strength 10 lbs 500 Cycle 400 lbs Electrical Operating Current 4 Contacts (12 AWG) 35 Amp Operating Current 9 & 18 Contacts (20 AWG) Contact Resistance 4 Contacts (12 AWG) 7.5 Amp