Feature●?Replace part number: 904685.●?Outside diameter 1.335" Height 0.965".●?This part provides a seal for the head valve.●?Acts as cushion when the piston/driver retracts back into the cylinder after being fired.●?Easy to install. Direct replacement the original parts. Only requires a couple of tools and several minutes of your time. Watching a video on the Internet is helpful.Description
Piston Bumper Stop 904685 Compatible with Porter Cable FN250B Type 1 FN251 Type 1
Specifications:
part number: 904685
Outside diameter 1.335" Height 0.965"
Compatible with porter cable FN250B 16 gauge FN251 Type 1