Heyco Products, Inc. “ T h e F i r s t N a m e i n W i r e P r o t e c t i o n ” 1-800-526-4182 • 732-286-1800 (NJ) • FAX: 732-244-8843 • Web site: www.heyco.com 3-22 Heyco® Back-Up Washer For Strain Relief Bushings • Made of zinc-plated steel. • Used together with our Strain Relief Bushings. • For situations where the panel is too flexible to support UL’s 35# strain relief pull-out test. • OR for situations where the panel is thin relative to the strain relief’s locking slot. The backup washer eliminates “play”. • OR can be used to contain the strain relief bushing in U-slot openings. PART NO. DESCRIPTION INSIDE DIAMETER OUTSIDE DIAMETER THICKNESS in. mm. in. mm. in. mm. 7592 SRW 500 .500 12,7 .625 15,9 .025 0,6 Heyco® Metal Strain Relief Bushings For Round Cables WILL FIT THESE CABLES PART NO. DESCRIPTION PART DIMENSIONS ATTACHING UL Type Approximate O W L PLIERS Description Diameter NO. in. mm. in. mm. in. mm. in. mm. HPD .312 7,9 7410 MSR-1 .296 7,5 .593 15,1 .171 4,4 0019 SJ .300- 7,6- .343 8,7 7411 MSR-1A .203 5,2 .531 13,5 .171 4,4 0018 SV .250 6,4 7412 MSR-1B .296 7,5 .500 12,7 .171 4,4 0018 SJ .380 9,6 7414 MSR-2W .265 6,7 .781 19,8 .171 4,4 0018 HPD .312 7,9 7418 MSR-2S .295 7,5 .781 19,8 .171 4,4 0019 SJ .300- 7,6- .343 8,7 7419 MSR-2A .203 5,2 .781 19,8 .171 4,4 0018 HPD .312 7,9 7420 MSR-2 .296 7,5 .765 19,5 .171 4,4 0019 HPD .312 7,9 7430 MSR-3 .296 7,5 .656 16,7 .171 4,4 0019 O W O L W L W O L • Made of plated steel. • Absorbs pull force only, to help meet UL and CSA requirements. • Designed to be attached to wire and cable inside of the panel. • Permanent grip, nonslip design. • Easy assembly with recommended hand pliers. • See page 3-25 for Assembly Tools. 7410, 7411, 7412 7420, 7430 7414, 7418, 7419