Superior Parts DBM83-04 Driver, Bumper, Ribbon Spring, O-Ring & Gasket Service Kit for Hitachi NR83A / A2 which includes SP 877-317 Cylinder Ring, SP 877-323 Piston Driver, SP 877-334 Gasket (A), SP 877-325 Gasket (B), SP 878-421 Ribbon Spring Set and SP 878-303 Piston Bumper.

SP 877-317: Aftermarket Cylinder Ring.

SP 877-323: Piston Driver: Aluminum is crimped into the unilok grooves of the shaft to prevent unscrewing. Hardened steel lock tite and micro-mechanically locked piston driver interface. Guaranteed never to unscrew.

SP 877-334: Aftermarket Gasket (A).

SP 877-325: Aftermarket Gasket (B).

SP 878-421: Aftermarket Ribbon Spring Set.

SP 878-303: Piston Bumper: Precision machined, virgin high density yellow color plastic framer bumper.

Features:

• This Handy Kit makes an Overhaul Repair of your NR83 Framing Nail Gun Fast & Easy.
• These parts Install Quickly to make your Nailer work like New Again.

Compatible With:

• NR83A2(S) Framing Nailer, Full Head, Plastic Strip Collation (without Depth Adjustment)
• NR83A 3-1/4" Full Head Nailer
• NV75A Nailer
• NR83A3S Strip Nailer
• NR83A3 Strip Nailer
• NR83A2 Strip Nailer