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“Stay Connected” with Venting Solutions ® Heyco Louvered Plugs ® Mounting Hole Diameter Range: .875˝ (22,2 mm) to 3.000˝ (76,2 mm) • Louvers permit the passage of air for ventilation but limit liquid infiltration. • Suitable for ventilation in electronic enclosures, motor housings and metal or plastic panels. • Quick and easy installation with flexible orientation of louver direction. • Withstand a push back force of 35 lbs. (47 Nm). • Lock firmly into panel up to .250˝ (6,4 mm) thick. • Locking fingers in fractional increments up to the maximum panel thickness. • Heyco Vent Plugs, Heyco Thick Panel Vent Plugs, and Heyco Liquid Tight Threaded Vent Plugs also available. MOUNTING HOLE DIAMETER in. PART NO. DESCRIPTION PART DIMENSIONS A B Head Diameter Overall Height in. mm. in. mm. Black mm. Multiple Locking Steps for Panel Thickness up to .125˝ (3,2 mm) .875 1.000 22,2 25,4 2557 2559 LP 875 LP 1000 1.02 1.21 25,8 30,6 1.093 1.125 27,8 28,6 2561 LP 1093 1.22 30,9 1.375 1.500 2.000 34,9 38,1 50,8 2567 2569 2594 LP 1375 LP 1500 LP 2000 1.50 1.68 2.17 .53 13,5 38,1 42,6 55,1 .54 13,8 68,0 80,5 .82 20,9 Multiple Locking Steps for Panel Thickness up to .250˝ (6,4 mm) 2.500 3.000 63,5 76,2 2596 2598 LP 2.5 LP 3.0 2.71 3.17 Standard color black. Consult Heyco for other colors. A B HEYClean Filter Insert Louvered Plugs ™ Mounting Hole Diameter Range: .875˝ (22,2 mm) to 3.000˝ (76,2 mm) • Located behind the louvers, filter inserts permit the passage of air for ventilation but limit liquid as well as dust and pest infiltration. • Polyurethane foam filter will filter particle sizes 30 micron and larger. MOUNTING HOLE DIAMETER in. PART NO. DESCRIPTION Black mm. PART DIMENSIONS A B Head Diameter Overall Height in. mm. in. mm. Multiple Locking Steps for Panel Thickness up to .125˝ (3,2 mm) .875 1.000 22,2 25,4 4947 4949 FILP 875 FILP 1000 1.02 1.21 25,8 30,6 1.093 1.125 27,8 28,6 4951 FILP 1093 1.22 30,9 1.375 1.500 2.000 34,9 38,1 50,8 4957 4959 4963 FILP 1375 FILP 1500 FILP 2000 1.50 1.68 2.17 .53 13,5 38,1 42,6 55,1 .54 13,8 69,0 80,5 .82 20,9 Multiple Locking Steps for Panel Thickness up to .250˝ (6,4 mm) 2.500 3.000 63,5 76,2 4965 4967 FILP 2.5 FILP 3.0 2.72 3.17 Standard color black. Consult Heyco for other colors. Quick Specs 5-3 Material Nylon 6/6 Flammability Rating Temperature Range 94V-2 -40°F (-40°C) to 221°F (105°C) 1-800-526-4182 • 732-286-1800 (NJ) • FAX: 732-244-8843 • www.heyco.com