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Bushings and Plugs

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Heyco® Straight-Thru Strain Relief Bushings

For flat cables

Click on one of the green links below to download a CAD Drawing of this product.

WILL FIT THESE CABLES				CHASSIS DIMENSIONS					UL/CSA Desc
UL TYPE Designation	AWG Conductors	Approx Size		A Mounting Hole	B To Prevent Rotation	Maximum Thickness	PART NO.			D Part Length
UL TYPE Designation	AWG Conductors	in.	mm.	in. mm.	in. mm.	in. mm.	Black	White		in. mm.
HPN & SPT-2	16/3	.16x.37	4,1x9,4	.562 14,3	.530 13,5	.125 3,2	1174	1175	SR 5W-1	39/64 15,5
	18/3	.15x.40	3,8x10,2
	16/3	.16x.41	4,1x10,4
SPT-2	18/3	.15x.40	3,8x10,2	.560 14,2 **	.730 18,5 **	.125 3,2	1484	1485	SR 30-1 **	43/64 17,1
	16/2	.16x.41	4,1x10,4
SPT-3	18/2	.19x.35	4,8x8,9
	18/3	.19x.39	4,8x9,9
	16/2	.20x.37	5,1x9,4
	16/3	.20x.43	5,1x10,9
	16/2	.20x.37	5,1x9,4	.750 19,0 **	.875 22,2 **	.125 3,2	1504	1505	SR 33-1	25/32 19,8
	16/3	.20x.43	5,1x10,9
	14/2	.24x.42	6,1x10,7
	14/3	.24x.51	6,1x12,9
	14/2	.24x.42	6,1x10,7	.875 22,2	8.40 21,3	.125 3,2	1517	1518	SR 34-2	13/16 20,6
	14/3	.24x.51	6,1x12,9
	12/2	.29x.51	7,4x12,9
	12/3	.29x.65	7,4x16,5
	12/3 10/3	.32x.65	8,1x16,5	.875 22,2	.840 21,3	.125 3,2	1497	1498	SR 31-2
300 CHM †	-	.06x.40	1,5x10,2	.375 9,5	.625- 15,9- .640 16,3 **	.156 4,0	1804	1805	SR 300-1 **	15/32 11,9
SPT-1	18/3	.12x.30	3,0x7,6	.375 9,5 .390 9,9
SPT-2	18/3	.15x.40	3,8x10,2	.415 10,5 .422 10,7
SPT-2	16/3	.16x.41	4,1x10,4	.422 10,7 .437 11,1
SAME AS SR 300-1 ABOVE EXCEPT ----->						.100 2,5	1814	1815	SR 302-1 **

Standard Nylon Fastener Color: Black. White and others available at extra charge (only in large quantities).
† Wire is not UL/CSA covered.
**Use Elongated Hole.

Recognized under the Component Program of Underwriters' Laboratories File #E-15331

Certified by Canadian Standards Association File #LR-8919

(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 and laboratory use. 180 assorted Heyco Strain Reliefs are identified in a handy compartmentalized plastic box. Ideal for design engineering groups. Details on page 3-24.

Heyco® Straight-Thru Strain Relief Bushings