PANEL DIMENSIONS						PART NO.	DESCRIPTION	PART DIMENSIONS				CAD
Maximum Thickness		D Mounting Hole Diameter		C To Prevent Rotation		Black		A Head Diameter		B Overall Height
in.	mm.	in.	mm.	in.	mm.			in.	mm.	in.	mm.
For Double D Mounting Hole Strain Reliefs
.125	3,2	.375	9,5	.345	8,8	2617	DP 375*	.468	11,9	.406	10,3
		.437	11,1	.390	9,9	2488	DD 437-390	.531	13,5
		.500	12,7	.445	11,3	2491	DD 500-445	.554	14,7
.125	3,2	.562	14,3	.530	13,5	2494	DD 562-530	.656	16,7	.406	10,3
		.625	15,9	.550	14,0	2497	DD 625-550	.728	18,5
		.750	19,1	.625	15,9	2503	DD 750-625	.921	23,4
.125	3,2	.875	22,2	.770	19,5	2509	DD 875-770	1.016	25,8	.453	11,5
		1.109	28,2	1.000	25,4	2717	DD 1109-1000	1.218	30,9
.125	3,2	2.000	50,8	1.875	47,6	2959	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†	RP 115-130	.580	14,7	.403	10,2
.157	4,0	.690	17,5	.690	17,5	1892	RP 175-175	.830	21,1	.470	11,9

Standard color black. Consult Heyco for white and other colors.
*On installation, DP 375 Locking Fingers must be aligned with Mounting Hole Flats.
**Rectangular Plugs locking finger steps match those of the corresponding ST Lockit Strain Reliefs.
†PN 1890 is not CSA certified.

• Closes unused strain relief mounting holes or Double D holes punched or molded with two opposing flats.
• Convex, matte finish head tapers to a thin edge.
• Quick and easy installation.
• Locks firmly in panels up to .157" (4,0 mm) thick.
• Use our rectangular plugs #1890 and #1892 to fill unneeded square Lockit™ Strain Relief mounting holes.
• Approximate Head Thickness: .063" (1,6 mm). Thickness may vary.
• For Double D Mounting Hole Punches, click here.

QuickSpecs

Material		Nylon 6/6
Certifications		Recognized under the Component Program of Underwriters' Laboratories File E51579
		Certified by the Canadian Standards Association File 8919
Flammability Rating		94V-2
Temperature Range		-40°F (-40°C) to 221°F (105°C)