21671B-ALM Bostitch Nailer - Overview

This is an authentic Bostitch replacement part manufactured for use with fine wire staplers. O-rings are used throughout staplers and are used to form air tight seals between assemblies. The pressure between parts, or chemical weathering can deteriorate an o-ring causing an air leak. Inspecting and replacing o-rings is part of normal maintenance. This o-ring is sold as an individual replacement part.

This is an original Bostitch replacement part for use with pneumatic staplers. This versatile o-ring can have multiple applications, but is usually found in the trigger valve assembly. O-rings and seals wear out over time from normal use, replacing worn o-rings or seals is recommended when maintaining pneumatic tools. This o-ring is sold individually, please see model diagram for location of the o-ring.

It is an authentic manufacturer sourced replacement part designed for Bostitch staplers and nailers. This o-ring provides an air-tight seal for the trigger valve assembly, make sure to check appropriate diagram for correct application of this item. Over time rubber o-rings tend to shrink, become brittle and crack allowing eventually requiring replacement. Please note this high quality item is sold individually.

This is an authentic replacement part for Bostitch staplers. The spring pin is designed to attach the trigger to the adjustment housing and provide tension to keep the trigger extended. The part is made of high-quality materials. This item is sold individually.

The o-ring attaches to the frame. This part is sold individually and is made out of rubber. It is an OEM part sourced directly from the manufacturer and used in staplers and nailers made by Bostitch. You may need a screwdriver and a set of pliers when replacing this part. It may become broken and will need to be replaced.