This is an authentic OEM product which is designed for Bostitch, DeWALT and Porter Cable nailers and staplers. It provides a tight seal for the valve piston. Over time the material may wear down causing air leaks. To replace this flat washer you will need a screwdriver and pliers. This item is sold individually and is made of durable material. Check the diagrams of your model for the proper installation.
This is an authentic Bostitch replacement part, sourced from the original manufacturer for use with pneumatic nailers. The special packing is used to seal the connection between the deflector and the gun body unit. It is recommended to replace gaskets when servicing the stapler to ensure proper seals when the parts are reassembled. This packing gasket is available as an individual replacement part.