Heyco will be conducting physical inventory on November 27th, 28th, and 29th. The last day for shipping will be November 22nd and the last day for receiving will be November 20th. We will be unable to fulfill credit card and sample orders during this time as well. The office will remain open.

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Heyco® Knock-Out Snap Bushings

  • Part Numbers and Specifications
  • Features
BOX HOLE
DIAMETER
TRADE SIZE PART NO. DESCRIPTION PART DIMENSIONS
Black A
Inside
Diameter
B
Head
Diameter
C
Overall
Height
in. mm. in. mm. in. mm. in. mm.

Multiple Locking Steps for Box Thickness up to .125" (3,2 mm)

.875 22,2 1/2 2126 SB 875-11 .69 17,5 .95 24,2 .45 11,5
1.093-1.125 27,8- 28,6 3/4 2166 SB 1093-15 .94 23,8 1.22 30,9
1.375 34,9 1 2210 SB 1375-16 1.01 25,8 1.49 37,3
1.750 44,5 1-1/4 2300 SB 1750-22 1.38 34,9 1.88 47,6
2.000 50,8 1-1/2 2406 SB 2000-28 1.75 44,5 2.13 54,0

Multiple Locking Steps for Box Thickness up to .250" (6,4 mm)

2.500 63,5 2 2420 SB 2.500-31 1.97 50,0 2.66 67,5 .72 8,3

Standard color black. Consult Heyco for white and other colors.

  • For use in electrical boxes and enclosures up to thicknesses shown.

QuickSpecs

Material   Nylon 6/6
Certifications ru Recognized under the Component Program of Underwriters' Laboratories File E15331
csa Certified by the Canadian Standards Association File 8919
Flammability Rating   94V-2
Temperature Range   -.4°F (-18°C) to 221°F (105°C)
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