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Heyco® Strain Relief Mounting Hole Plugs

Multiple Panel Thickness Design

  • Part Numbers and Specifications
  • Features
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 CAD
.437 11,1 .390 9,9 2488 DD 437-390 .531 13,5 CAD
.500 12,7 .445 11,3 2491 DD 500-445 .554 14,7 CAD
.125 3,2 .562 14,3 .530 13,5 2494 DD 562-530 .656 16,7 .406 10,3 CAD
.625 15,9 .550 14,0 2497 DD 625-550 .728 18,5 CAD
.750 19,1 .625 15,9 2503 DD 750-625 .921 23,4 CAD
.125 3,2 .875 22,2 .770 19,5 2509 DD 875-770 1.016 25,8 .453 11,5 CAD
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 CAD
.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 ru Recognized under the Component Program of Underwriters' Laboratories File E51579
csa Certified by the Canadian Standards Association File 8919
Flammability Rating   94V-2
Temperature Range   -.04°F (-18°C) to 221°F (105°C)
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