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Heyco® Original Strain Relief Bushings

Straight-Thru for Round Cables

.625" (15,9 mm) to .750" (19,0 mm) Mounting Holes

  • Part Numbers and Specifications
  • Features
WILL FIT THESE CABLES PANEL DIMENSIONS PART NO. DESC. PART DIM. Mounting
Hole
Plug
CAD
UL
Type
AWG/
Conductors
Approximate
Size
A
Mounting
Hole Dia.
B
To Prevent
Rotation
Finished
Fit Panel
Thickness*
Black C
BODY
LENGTH
in. mm. in. mm. in. mm. in. mm. in. mm. PART NO.
SJ, SJT
& SJO
18/2 .300 7,6 .625 15,9 .550 14,0 .062 1,6 1217 SR 6N-4 .578 14,7 2497 CAD
Same as SR 6N-4 above except –––––––––––––––––––––––––––––––––––––>
.125 3,2 1210 SR 6P-4 .578 14,7 CAD
SJT 18/3 .300 - .330 7,6 - 8,4 .625 15,9 .550 14,0 .062 1,6 1197 SR 6N2-4 .578 14,7  
SJ, SJT,
& SJO
16/2 .325 8,3 .625 15,9 .550 14,0 .062 1,6 1200 SR 6N3-4 .578 14,7 CAD
18/3 .330 8,4
14/2 .350 8,9
16/3 .355 9,0
18/4 .360 9,1
Same as SR 6N3-4 above except –––––––––––––––––––––––––––––––––––––>
.125 3,2 1207 SR 6P3-4 .578 14,7 CAD
S & ST 18/2 .380 9,7 .625 15,9 .550 14,0 .062 1,6 1202 SR 6N5-4 .578 14,7  
18/3 .405 10,3
16/2
Same as SR 6N5-4 above except –––––––––––––––––––––––––––––––––––––>
.125 3,2 1204 SR 6P5-4 .578 14,7  
SJ, SJT,
& SJO
18/2 .300 7,6 .625 15,9 .550 14,0 .156 4,0 1214 SR 6L-1 .678 17,2 consult Heyco CAD
16/2 .325 8,3 .656 16,7
18/3 .330 8,4 .656 16,7
16/3 .355 9,0 .687 17,4
HPD 16/3 .355 9,0 .687 17,4
SJT 18/4 .360 9,1 .750 19,0 .660 16,8 .062 1,6 1244 SR 7N-2 .750 19,1 2503 CAD
14/3 .370 9,4
S & ST 18/2 .390 9,9
18/3 .405 10,3
16/2 .405 10,3
16/3 .430 10,9 .750 - .781 19,0 - 19,8
Same as SR 7N-2 above except –––––––––––––––––––––––––––––––––––––>
.125 3,2 1237 SR 7P-2 .750 19,1 CAD

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.

  • Protects the lifeline of your electric/electronic products by absorbing the forces of pull, push, and twist that may be exerted on the flexible power cord.
  • Securely anchors, insulates, and protects cables at panel entry points.
  • Sizes SR 6-Series to SR 7-Series for mounting hole diameters from .625" (15,9 mm) to .781" (19,8 mm).
  • Sizes for thin .062" (1,6 mm) panel available:
    SR 7N-2
    See chart for details.
  • Corresponding Mounting Hole Plugs can be used to fill blank/unused Mounting Holes and thus allow for a single panel design for multiple applications.
  • Consult Heyco for other wire types and sizes.
  • For SR assembly tools, click here.
  • For Double D Mounting Hole Punches, click here.

QuickSpecs

Material   Nylon 6/6
Certifications ru Recognized under the Component Program of Underwriters' Laboratories File E15331
csa Certified by the Canadian Standards Association File 8919
Flammability Rating   94V-2
Temperature Range   -.04°F (-18°C) to 221°F (105°C)
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