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DeWalt O-ring 390146-00 $3.22

DeWalt Nailer Parts

Product Details
Brand: DeWalt
Part Number: 390146-00


O-rings can be made from a variety of materials including polyurethane, silicone and neoprene. O-rings provide a seal between two components to keep out air or fluid. In a pneumatic nail gun, o-rings provide a seal as well as to allow components such as the piston and head valve to actuate and move so there is no metal-on-metal friction. New o-rings must be lubricated with grease when installed.

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This item fits the following models:

Pneumatic Framing Nailer Parts - D51844 - type 1
Pneumatic Framing Nailer Parts - D51822 - type 3

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