Stay Connected with Heyco Strain Relief Bushings Heyco Original Strain Relief Bushings Straight-Thru for Flat Cables .560 (14,2 mm) to .875 (22,2 mm) Mounting Holes WILL FIT THESE CABLES PANEL DIMENSIONS PART NO. DESCRIPTION PART DIM. Mounting Protects the lifeline of your UL Type AWG/ Approximate A B Finished C Hole Plug electric/electronic products by Conductors Size Mounting To Prevent Fit Panel Black BODY absorbing the forces of pull, push, Hole Dia. Rotation Thickness* LENGTH and twist that may be exerted on the in. mm. in. mm. in. mm. in. mm. in. mm. PART NO. flexible power cord. 18/3 .15 x .40 3,8 x 10,2 SPT-2 16/3 .16 x .41 4,1 x 10,4 Securely anchors, insulates, and .562 14,3 .530 13,5 .125 3,2 1174 SR 5W-1 .609 15,5 2494 16/2 .16 x .37 4,1 x 9,4 protects cables at panel entry points. HPN 16/3 .16 x .42 4,1 x 10,5 Consult Heyco for other wire types 18/2 .19 x .35 4,8 x 8,9 SPT-3 and sizes. 16/2 .20 x .37 5,1 x 9,4 SPT-2 18/3 .15 x .40 3,8 x 10,2 .562 14,3 .530 13,5 .062 1,6 1170 SR 5KN-4 .609 15,5 2494 See page 4-38 for corresponding SPT-2 Mounting Hole Plugs which can be 16/3 .16 x .41 4,1 x 10,4 & HPN used to fill blank/unused Mounting Same as SR 5KN-4 above except .125 3,2 1167 SR 5K-4 .609 15,5 2494 Holes and thus allow for a single 18/3 .15 x .40 3,8 x 10,2 panel design for multiple applications. SPT-2 16/3 .16 x .41 4,1 x 10,4 18/2 .19 x .35 4,8 x 8,9 See pages 4-27 & 4-28 for SR .560 14,2 .730 18,5 .125 3,2 1484 SR 30-1** .672 17,1 consult Heyco 18/3 .19 x .39 4,8 x 9,9 assembly tools. SPT-3 16/2 .20 x .37 5,1 x 9,4 16/3 .20 x .43 5,1 x 10,9 DOUBLE D MOUNTING HOLE 18/3 .15 x .40 3,0 x 7,6 DOUBLED MOUNTING HOLE SPT-2 .625 15,9 .550 14,0 .062 1,6 1160 SR 6N4-4 .578 14,7 2497 16/3 .16 x .41 4,1 x 10,4 B Same as SR 6N4-4 above except .125 2,5 1163 SR 6P4-4 .578 14,7 2497 16/2 .20 x .37 5,1 x 9,4 16/3 .20 x .43 5,1 x 10,9 A SPT-3 .750 19,0 .875 22,2 .125 3,2 1504 SR 33-1** .781 19,8 consult Heyco 14/2 .24 x .42 6,1 x 10,7 14/3 .24 x .51 6,1 x 12,9 Fit 1/2 Electrical Knock-out Hole 14/2 .24 x .42 6,1 x 10,7 ELONGATED MOUNTING HOLE 14/3 .24 x .51 6,1 x 12,9 SPT-3 .875 22,2 .840 21,3 .125 3,2 1517 SR 34-2 .813 20,7 2509 B 12/2 .29 x .51 7,4 x 12,9 12/3 .29 x .65 7,4 x 16,5 12/3 SPT-3 .32 x .65 8,1 x 16,5 .875 22,2 .835 21,2 .125 3,2 1497 SR 31-2 .812 20,6 2509 10/3 A Standard color black. Consult Heyco for white and other colors. * Maximum Panel Thickness. Part has additional clearance. Consult Heyco for your Custom Finished Fit Panel Thickness. **Use Elongated Mounting Hole. ELONGATED MOUNTING HOLE C Material Nylon 6/6 Certifications Recognized under the Component Program of Underwriters Laboratories File E15331 Quick Certified by the Canadian Standards Association File 8919 Flammability Rating 94V-2 Temperature Range -.04F (-18C) to 221F (105C) Specs 1-800-526-4182 732-286-1800 (NJ) FAX: 732-244-8843 www.heyco.com 4-18