Heyco "Double D" Hole Plugs

Material: Nylon 6/6

Certifications:

File E51579

File E15331 (RP115-130)

File 8919 (except RP 115-130 ^†)

Flammability Rating: 94V-2

Temperature Range: -40°F to 221°F (-40°C to 105°C)

Close unused strain relief mounting holes or other double faced or "Double D" holes punched or molded with two opposing flats.
Convex, matte finish head tapers to a thin edge.
Quick and easy installation with only fingertip pressure.
Locks firmly in panels up to .157" (4,0 mm) thick–refer to table below.
Locking finger steps are designed at fractional increments to accommodate a range of panel thicknesses.
Approximate head thickness: .062" (1,6 mm). Thickness may vary.
Use the rectangular plugs #1890 and #1892 to fill unneeded square Lockit™ Strain Relief mounting holes.

Heyco^® "Double D" Hole Plugs
For Mounting Holes with "Flats"
Panel Dimensions	Part Number	Description	Part Dimensions
For Double D Mounting Hole Strain Reliefs
.125	3,2	.437	11,1	.390	9,9	2488	2489	DD 437-390	.531	13,5	.406	10,3
.500	12,7	.445	11,3	2491	2492	DD 500-445	.554	14,7
.562	14,3	.530	13,5	2494	2495	DD 562-530	.656	16,7
.625	15,9	.550	14,0	2497	2498	DD 625-550	.728	18,5
.750	19,1	.625	15,9	2503	2504	DD 750-625	.921	23,4
.875	22,2	.770	19,5	2509	2510	DD 875-770	1.016	25,8	.453	11,5
2511	–	DD 875-770-9 ^*	.938	23,8
1.109	28,2	1.000	25,4	2717	2718	DD 1109-1000	1.218	30,9
2.000	50,8	1.875	47,6	2959	2963	DD 2000-1875	2.170	55,1	.478	12,1
For Lockit ST-Series, Rectangular Mounting Hole Strain Reliefs
.099	2,5	.512	13,0	.453	11,5	1890	1891	RP 115-130 ^†	.58 x .58	14,7 x 14,7	.403	10,2
.157	4,0	.690	17,5	.690	17,5	1892	–	RP 175-175	.83 x .83	21,1 x 21,1	.470	11,9

Heyco^® "Double D" Hole Plugs
For Mounting Holes with "Flats"

Panel Dimensions

Part Number

Description

Part Dimensions

Maximum
Thickness

C
Mounting
Hole Diameter

D
To Prevent
Rotation

Color

A
Head
Diameter

B
Overall
Height

in.

mm.

in.

mm.

in.

mm.

Black

White

in.

mm.

in.

mm.

For Double D Mounting Hole Strain Reliefs

.125

3,2

.437

11,1

.390

9,9

2488

2489

DD 437-390

.531

13,5

.406

10,3

.500

12,7

.445

11,3

2491

2492

DD 500-445

.554

14,7

.562

14,3

.530

13,5

2494

2495

DD 562-530

.656

16,7

.625

15,9

.550

14,0

2497

2498

DD 625-550

.728

18,5

.750

19,1

.625

15,9

2503

2504

DD 750-625

.921

23,4

.875

22,2

.770

19,5

2509

2510

DD 875-770

1.016

25,8

.453

11,5

2511

–

DD 875-770-9 ^*

.938

23,8

1.109

28,2

1.000

25,4

2717

2718

DD 1109-1000

1.218

30,9

2.000

50,8

1.875

47,6

2959

2963

DD 2000-1875

2.170

55,1

.478

12,1

For Lockit ST-Series, Rectangular Mounting Hole Strain Reliefs

.099

2,5

.512

13,0

.453

11,5

1890

1891

RP 115-130 ^†

.58 x .58

14,7 x 14,7

.403

10,2

.157

4,0

.690

17,5

.690

17,5

1892

–

RP 175-175

.83 x .83

21,1 x 21,1

.470

11,9