21671B-LM (Type 0) 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.

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.

The elastic stop nut attaches to the frame. It is made of metal and is sold individually. This is an authentic Bostitch, Porter Cable, and DeWALT replacement part that is sourced from the original manufacturer for use with staplers and nailers. A wrench may be needed during the replacement of this part. It will need to be replaced if it breaks.

This is a genuine replacement screw which is sourced directly from the original equipment manufacturer for use with Bostitch and Porter Cable nailers and staplers. It is a standard hardware which has multiple applications depending on the model of your equipment, please make sure to check appropriate diagrams for the correct location and ...Read moreuse of this item. Keep in mind this high-quality hex socket head screw is sold individually.

This is an authentic OEM replacement part compatible with a variety of Bostitch staplers and nailers. An O-ring is used to maintain a pressure seal. It is a flexible circle that fits between rigid parts. Each tool may use multiple sizes of O-ring throughout, so check manual to ensure that the right O-ring is in the right place. Sold individually. • Size: 1.239" x .070"

This item is a genuine OEM replacement part by Bostitch. It is a part of the trigger valve assembly. These parts may need replacement if air is leaking through the trigger. An O-ring is a bendable piece that acts as a seal between rigid parts, designed to retain pressure. This piece is sold individually. Also sold with Trigger Valve Kit, part # TVA5.