904685,for Porter Cable Piston Stop,for Porter Cable FN250B Type 1 FN251 Type 1 Finish Nailer
for Porter Cable piston stop, part# 904685
Compatible with FN250B Type 1, FN251 Type 1
Brand New - Unused Parts.This part provides a seal for the head valve
Item specifications: scts as cushion when the piston/driver retracts back into the cylinder after being fired.
Outside diameter 1.335" Height 0.965"