Heyco Strain Reliefs – Bell-Mouth for Flat Cable

Material: Nylon 6/6

Certifications:

File E15331

File 8919

Flammability Rating: 94V-2

Material Temperature Index: 125°C (257°F)–Max. temperature on part not to exceed 105°C (221°F)

Flared "trumpet" exit eases the cable into a lazy bend, prevents sharp bending, and assures longer cable and product life.
Protects the lifeline of your electric/electronic products by absorbing forces of pull, push, twist, and flex.
Securely anchors, insulates, and protects cable at panel entry points.
Installs easily with adjustable assembly tool.
Fill blank/unused mounting holes with Heyco Double D Plugs.
Part markings

Heyco^® Original Strain Relief Bushings
Bell-Mouth for Flat Cable
Will Fit These Cables	Panel Dimensions	Part Number	UL/CSA Designation	Part Dimensions
CLOCK X & XT	20/2	.09 x .18	2,3 x 4,6	.375	9,5	.330	8,4	.062	1,6	1020	1021	SR 2P-5	.375	9,5	.625	15,9
SPT-2	18/2	.11 x .21	2,8 x 5,3
SPT-1	18/2	.12 x .22	3,0 x 5,6	.437	11,1	.390	9,9	.062	1,6	1080	1081	SR 3P-5	.375	9,5	.625	15,9
SPT-1	18/3	.12 x .30	3,0 x 7,6	.500	12,7	.465	11,8	.062	1,6	1108	1109	SR 4N-5	.406	10,3	.703	17,9
SPT-2 & HPN	18/2	.15 x .28	3,8 x 7,1
16/2	.16 x .30	4,1 x 7,6	.500- .515	12,7- 13,1
HPN	18/3 16/3	.15 x .34 .16 x .37	3,8 x 8,6 4,1 x 9,4	.625	15,9	.550	14,0	.125	3,2	1229	1230	SR 6K-5	.421	10,7	.813	20,7
SPT-2	16/2 16/3	.16 x .30 .16 x .41	4,1 x 7,6 4,1 x 10,4

Heyco^® Original Strain Relief Bushings
Bell-Mouth for Flat Cable

Will Fit These Cables

Panel Dimensions

Part Number

UL/CSA
Designation

Part Dimensions

UL Type
Designation

AWG/
Conductors

Approximate Size

A
Mounting Hole
Diameter

B
To Prevent
Rotation

¹ Maximum
Panel Thickness

Color

C
Head Length

D
Body Length

in.

mm.

in.

mm.

in.

mm.

in.

mm.

Black

White

in.

mm.

in.

mm.

CLOCK
X & XT

20/2

.09 x .18

2,3 x 4,6

.375

9,5

.330

8,4

.062

1,6

1020

1021

SR 2P-5

.375

9,5

.625

15,9

SPT-2

18/2

.11 x .21

2,8 x 5,3

SPT-1

18/2

.12 x .22

3,0 x 5,6

.437

11,1

.390

9,9

.062

1,6

1080

1081

SR 3P-5

.375

9,5

.625

15,9

SPT-1

18/3

.12 x .30

3,0 x 7,6

.500

12,7

.465

11,8

.062

1,6

1108

1109

SR 4N-5

.406

10,3

.703

17,9

SPT-2 & HPN

18/2

.15 x .28

3,8 x 7,1

16/2

.16 x .30

4,1 x 7,6

.500- .515

12,7- 13,1

HPN

18/3
16/3

.15 x .34
.16 x .37

3,8 x 8,6
4,1 x 9,4

.625

15,9

.550

14,0

.125

3,2

1229

1230

SR 6K-5

.421

10,7

.813

20,7

SPT-2

16/2
16/3

.16 x .30
.16 x .41

4,1 x 7,6
4,1 x 10,4