Piston Bumper and Driver Repair Kit for Hitachi NR83A Nailer

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.

Piston bumper is Precision machined, virgin high density yellow color plastic framer bumper.

Fits Hitachi NR83A Nail Gun.

A2 877-323 878-303 - DB83-01