Knockout Bushings
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Part #ARL 4401 3/4" KNOCKOUT SNAP-IN PLASTIC BUSHING Arlington Conduit Bushing, 3/4 in Trade, Snap-In Mounting, Plastic, Black, 1.42 in Dia x 0.505 in L Dimensions
MFG #4401
3893 in Stock. More available 02/15/2026
$0.33/EA
Part #ARL 4403 1 1/4" KNOCKOUT SNAP-IN PLASTIC N BUSHING Arlington Conduit Bushing, 1-1/4 in Trade, Snap-In Mounting, Plastic, Black, 2.281 in Dia x 0.505 in L Dimensions
MFG #4403
131 in Stock. More available 02/04/2026 and 02/15/2026
$0.75/EA
Part #TB 3211 3/4" KNOCKOUT BUSHING SNAPIN PLASTIC T&B® Conduit Bushing, 1-Piece Knockout Non-Metallic, Series: 3210, 1.109 in, 221 deg F, Polycarbonate, Black, 0.94 in ID x 1.215 in OD
MFG #3211
1305 in Stock. More available 02/13/2026
$1.51/EA
Part #ARL 4405 2" KNOCKOUT SNAP-IN PLASTIC BUSHING Arlington Conduit Bushing, 2 in Trade, Snap-In Mounting, Plastic, Black, 2.919 in Dia x 0.563 in L Dimensions
MFG #4405
41 in Stock. More available 02/15/2026
$1.74/EA
Part #TB 3212 1" KNOCKOUT BUSHING SNAPIN PLASTIC T&B® Conduit Bushing, 1-Piece Knockout Non-Metallic, Series: 3210, 1-3/8 in, 221 deg F, Polycarbonate, Black, 1.2 in ID x 1.5 in OD
MFG #3212
152 in Stock. More available 02/13/2026
$2.33/EA
Part #TB 3210 1/2" KNOCKOUT BUSHING SNAPIN PLASTIC T&B® Conduit Bushing, 1-Piece Knockout Non-Metallic, Series: 3210, 7/8 in, 221 deg F, Polycarbonate, Black, 0.725 in ID x 1 in OD
MFG #3210
2075 in Stock. More available 02/13/2026
$0.66/EA
Part #ARL 4400 1/2" KNOCKOUT SNAP-IN PLASTIC BUSHING Arlington Conduit Bushing, 1/2 in Trade, Snap-In Mounting, Plastic, Black, 1.14 in Dia x 0.505 in L Dimensions
MFG #4400
14360 in Stock. More available 02/15/2026
$0.24/EA
Part #ARL 4404 1-1/2" KNOCKOUT SNAPIN PLASTIC BUSHING Arlington Conduit Bushing, 1-1/2 in Trade, Snap-In Mounting, Plastic, Black, 2.598 in Dia x 0.505 in L Dimensions
MFG #4404
170 in Stock. More available 02/15/2026
$0.80/EA
Part #ARL 4402 1" KNOCKOUT SNAP-IN PLASTIC BUSHING Arlington Conduit Bushing, 1 in Trade, Snap-In Mounting, Plastic, Black, 1.77 in Dia x 0.505 in L Dimensions
MFG #4402
1306 in Stock. More available 02/15/2026
$0.51/EA
Part #ARL 4401 3/4" KNOCKOUT SNAP-IN PLASTIC BUSHING Arlington Conduit Bushing, 3/4 in Trade, Snap-In Mounting, Plastic, Black, 1.42 in Dia x 0.505 in L Dimensions
MFG #4401
3893 in Stock. More available 02/15/2026
$0.33/EA
Part #ARL 4403 1 1/4" KNOCKOUT SNAP-IN PLASTIC N BUSHING Arlington Conduit Bushing, 1-1/4 in Trade, Snap-In Mounting, Plastic, Black, 2.281 in Dia x 0.505 in L Dimensions
MFG #4403
131 in Stock. More available 02/04/2026 and 02/15/2026
$0.75/EA
Part #TB 3211 3/4" KNOCKOUT BUSHING SNAPIN PLASTIC T&B® Conduit Bushing, 1-Piece Knockout Non-Metallic, Series: 3210, 1.109 in, 221 deg F, Polycarbonate, Black, 0.94 in ID x 1.215 in OD
MFG #3211
1305 in Stock. More available 02/13/2026
$1.51/EA
Part #ARL 4405 2" KNOCKOUT SNAP-IN PLASTIC BUSHING Arlington Conduit Bushing, 2 in Trade, Snap-In Mounting, Plastic, Black, 2.919 in Dia x 0.563 in L Dimensions
MFG #4405
41 in Stock. More available 02/15/2026
$1.74/EA
Part #TB 3212 1" KNOCKOUT BUSHING SNAPIN PLASTIC T&B® Conduit Bushing, 1-Piece Knockout Non-Metallic, Series: 3210, 1-3/8 in, 221 deg F, Polycarbonate, Black, 1.2 in ID x 1.5 in OD
MFG #3212
152 in Stock. More available 02/13/2026
$2.33/EA
Part #TB 3210 1/2" KNOCKOUT BUSHING SNAPIN PLASTIC T&B® Conduit Bushing, 1-Piece Knockout Non-Metallic, Series: 3210, 7/8 in, 221 deg F, Polycarbonate, Black, 0.725 in ID x 1 in OD
MFG #3210
2075 in Stock. More available 02/13/2026
$0.66/EA
Part #ARL 4400 1/2" KNOCKOUT SNAP-IN PLASTIC BUSHING Arlington Conduit Bushing, 1/2 in Trade, Snap-In Mounting, Plastic, Black, 1.14 in Dia x 0.505 in L Dimensions
MFG #4400
14360 in Stock. More available 02/15/2026
$0.24/EA
Part #ARL 4404 1-1/2" KNOCKOUT SNAPIN PLASTIC BUSHING Arlington Conduit Bushing, 1-1/2 in Trade, Snap-In Mounting, Plastic, Black, 2.598 in Dia x 0.505 in L Dimensions
MFG #4404
170 in Stock. More available 02/15/2026
$0.80/EA
Part #ARL 4402 1" KNOCKOUT SNAP-IN PLASTIC BUSHING Arlington Conduit Bushing, 1 in Trade, Snap-In Mounting, Plastic, Black, 1.77 in Dia x 0.505 in L Dimensions
MFG #4402
1306 in Stock. More available 02/15/2026
$0.51/EA