Senco Bumper Piston Stop BB0149 AKA BB0224Senco OEM Bumper / Piston Stop Part number BB0149 / BB0224 For Nailers SN60 SN60MC SN65 SN65C SN901XP SN902XP Post navigation Paslode 3250 O-ring kit + Bumper + Gasket + Cylinder Seal Duo-Fast DS7664-BP O-ring Repair Kit