“Stay Connected” with 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 productsby 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 Plugswhich 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 • See pages 4-27 & 4-28 for SR 18/2 .19 x .35 4,8 x 8,9 18/3 .19 x .39 4,8 x 9,9 . 5 60 14,2 .730 18,5 .125 3,2 1484 SR 30-1** .672 17,1 consult Heyco assembly tools. SPT-3 16/2 .20 x .37 5,1 x 9,4 •For Double D Mounting Hole Punches, 16/3 .20 x .43 5,1 x 10,9 see page 4-30. 18/3 .15 x .40 3,0 x 7,6 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 DOUBLE D MOUNTING HOLE 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 B 16/3 .20 x .43 5,1 x 10,9 S P T - 3 14/2 .24 x .42 6,1 x 10,7 .750 19,0 .875 22,2 .125 3,2 1504 SR 33-1** .781 19,8 consult Heyco 14/3 .24 x .51 6,1 x 12,9 A Fit 1/2˝ Electrical Knock-out Hole 14/2 .24 x .42 6,1 x 10,7 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 12/2 .29 x .51 7,4 x 12,9 B 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 Standard color black. Consult Heyco for white and other colors. A *Maximum Panel Thickness. Part has additional clearance. Consult Heyco for your Custom Finished Fit Panel Thickness. **Use Elongated Mounting Hole. ELOELNOGNGAATTEEDD MMOOUUNTNINTGIN HGO LHEOLE C Material Nylon 6/6 Quick Certifications Recognized under the Component Program of Underwriters’ Laboratories File E15331 Certified by the Canadian Standards Association File 8919 Specs Flammability Rating 94V-2 Temperature Range -.04°F (-18°C) to 221°F (105°C) 4-18 1-800-526-4182 • 732-286-1800 (NJ) • FAX: 732-244-8843 • www.heyco.com

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: H eyco: 1517 1170 1174 1167 1163 1160 1484 1497 1504 1175 1498 1171 1161 1164 1168 1518 1505 1167CQ