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Heyco® Straight-Thru Strain Relief Bushings

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Heyco® Straight-Thru Strain Relief Bushings 
Heyco® Straight-Thru Strain Relief Bushings Component Program of Underwriters Recognized under the Component Program of Underwriters' Laboratories File #E-15331
Canadian Standards Association Certified by Canadian Standards Association File #LR-8919
 
For round cables
 
Swipe
UL TYPE
Designation		 AWG
Conductors		 Approx
Cable
Diameter		 A
Mounting
Hole		 B
To Prevent
Rotation		 Maximum
Thickness		 PART NO. UL/CSA
Desc		 D
Part
Length
in.   mm. in.    mm. in.   mm. in.    mm. Black White in.    mm.
SJ, SJT &SJO 16/2 .325   8,3 .875  22,2 .770  19,6 .125  3,2 1240 1241 SR 7K-2 3/4  19,0
  18/3 .330  6,4
  14/2 .350  8,9
  16/3 .355  9,0
  18/4 .360 9,1
SAME AS SR 7K-2 ABOVE EXCEPT -----> SEE SCHEMATIC 1271 1272 SR 7KR-2
SJT 18/4 .360  9,1 .750  19,0 .660  16,8 .062  1,6 1244 1245 SR 7N-2
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  19,0
.781  19,8
SAME AS SR 7N-2 ABOVE EXCEPT -----> .125  3,2 1237 1238 SR 7P-2
SJT 14/3 370  9,4 .875  22,2 .770  19.6 .125  3,2 1247 1248 SR7W-2
12/3 .425  10,8
S & ST 18/2 .390  9,9
  18/3 .405  10,3
  16/2
SAME AS SR 7W-2 ABOVE EXCEPT -----> 200  5,1 1250 1251 SR 7L-2
SJT 12/3 .425  10,8
.475  12,1		 .875  22,2 .840  21,3 .125  3,2 1497 1498 SR 31-2 13/16 20,6
S & ST 14/2 .530  13,5 .875  22,2 .840  21,3 .062  1,6 1254 1255 SR 8N-1 53/64 20,8
14/3 .560  14,2
12/2 .600  15,3
SAME AS SR 8N-1 ABOVE EXCEPT -----> .125  3,2 1260 1261 SR 6P-2
.187  4,8 1274 1275 SR 8L-1 13/16 20,6
S 12/2 .600  15,2 1.093  27,7 1.000  25,41.093  27,7 .281  7.1 1287 1288 SR 9P-2 1  25,4
12/3 .635  16.1 1.125 28,6
10/2 .640 16,3
S, ST & SO 10/3 .690  17,5 1.187 28,6
Standard Strain Relief Color: Black. White and other strain relief colors are available at extra charge (only in large quantities).
New Sizes for narrow nylon fastener of the size .062"(1,6mm) chassis available:
                                                    SR 7N-2
                                                    SR 8N-1
See chart forstrain relief details.
(Click here to see our guide on choosing the best strain relief for your application.)
Labkit No. 1 ( Part #1999)
Provides a working assortment for prototype strain relief and labatory use.  180 assorted Heyco Strain Relief fasteners are identified in a handy compartmentalized plastic box.  Ideal nylon fastener strain reliever parts for design engineering groups.