NEW Genuine Bostitch Piston O-Ring 850607 RN45 RN46 450S2 438S2 438S4

Made in USA, This is  a new original genuine Bostich Stanley 0-ring for  the following models: 450S2-1 (Type 0) 16 GA Wide Crown Lathing Stapler N12B Coil-Fed Pneumatic Nailer N55C Coil-Fed Nailer N55CD (Type 0) Coil-Fed Nailer N57C Coil-Fed Pneumatic Nailer N58C (Type 0) Coil-Fed Nailer RN45B Coil-Fed Pneumatic Roofing Nailer RN46 Coil-Fed Pneumatic Roofing Nailer RN46-1 Coil-Fed Pneumatic Roofing Nailer T55S5 Pneumatic Stapler WM45B Pneumatic Coil Nailer 438S2 Pneumatic Stapler 438S2-1 (Type 0) 16 Gauge Wide Crown Stapler 438S2R Pneumatic Stapler 438S2R-1 (Type 0) Pneumatic Stapler 438S4 Pneumatic Stapler 438S5 Pneumatic Stapler 450S2 Pneumatic Stapler No returns, so please make sure this fits your model before buying. New unused original part, Free shipping in the US. This info comes from Bostitch service net website, please verify this fIts yours before buying. Any questions, please ask before buying. See my other auctions for Bostitch replacement & repair parts, maintenance kits, o-ring kits, bumpers, ork kits, bk kits, RBK kits, head valves,  trigger valves, springs, bolts, pistons, etc.