Heyco® Original Strain Relief Bushings, Internal Radii for Flat Cables - .500" (12,7 mm) Mounting Holes

Part number and specification

WILL FIT THESE CABLES				PANEL DIMENSIONS						PART NO.	DESC.	PART DIMENSIONS				Mounting Hole Plug
UL Type	AWG/ Conductors	Approximate Size		A Mounting Hole Dia.		B To Prevent Rotation		Finished Fit Panel Thickness*		Black		C HEAD LENGTH		D BODY LENGTH		Mounting Hole Plug
UL Type	AWG/ Conductors	in.	mm.	in.	mm.	in.	mm.	in.	mm.	Black		in.	mm.	in.	mm.	PART NO.
SPT-1	18/3	.12 x .30	3,0 x 7,6	.500	12,7	.465	11,8	.040	1,0	1181	SR 4A-6	.270	6,9	.546	13,9	2491
SPT-2 & HPN	18/2	.15 x .28	3,8 x 7,1	.500	12,7	.465	11,8	.040	1,0	1181	SR 4A-6	.270	6,9	.546	13,9	2491
SPT-1	18/3	.12 x .30	3,0 x 7,6	.500	12,7	.465	11,8	.062	1,6	1187	SR 4N-6	.270	6,9	.546	13,9	2491
SPT-2 & HPN	18/2	.15 x .28	3,8 x 7,1	.500	12,7
SPT-2 & HPN	16/2	.16 x .30	4,1 x 7,6	.515	13,1
Same as SR 4N-6 above except ––––––––––––––––––––––––––––>								.100	2,5	1190	SR 4K-6	.270	6,9	.546	13,9	2491

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.

Features

Extra body length with flex-protecting internal radii.
Wider approved wire range than typical 4-series Strain Reliefs; SR 4A-6 features a 1,0 mm locking slot for Thin Panels.
Absorb forces of pull, push, and twist, to protect the electrical lifeline of your application.
For maximum flex protection, see Bell-Mouth and Pigtail Strain Reliefs.
Securely anchors, insulates and protects cables at panel entry points.
To assemble SR 4A-6 use Part No. 0021 R 291 Pliers, designed for .040″ (1,0 mm) panel thickness, or semi-automated equipment.
To assemble SR 4N-6 and SR 4K-6, use Part No. 0022 R 29 Pliers, or semi-automated equipment.
Use Mounting Holes Plug Part No. 2491 to standardize panel design where the Strain Relief is not required.
For Double D Mounting Hole Punches, click here.

QuickSpecs

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

Heyco® Original Strain Relief Bushings, Internal Radii for Flat Cables – .500″ (12,7 mm) Mounting Holes

Part number and specification

Features

QuickSpecs