21684B Bostitch Nailer - Overview

This is a genuine manufacturer-sourced replacement part which is specially designed for Bostitch staplers. The purpose of this piston bumper is to keep the piston from hitting the bottom of the cylinder and damaging it. Because this part gets so much abuse, over time it has a tendency to crack and fall apart. Please make sure to refer to ...Read morethe appropriate diagrams of your model for the correct location and application of this component. Keep in mind this high-quality item is made of durable material and is sold individually.

This replacement end cap is a high quality item that is manufactured for use with Bostitch nailers and staplers. It is the end cap to which the hose are connected. This tool uses a 1/4" N.P.T. male plug. This cap is made from durable metal and it is sold individually.

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.