Replacement Piston Driver for Hitachi NV90AG Nail Gun

Replacement Piston Driver for Hitachi NV90AG. Aluminum is crimped into the Unilok grooves of the shaft to prevent unscrewing. Our patent-pending UNILOK piston/driver is guaranteed to never unscrew our Aftermarket Piston Driver Assemblies.

This part is compatible with following Hitachi model numbers:

• NV90AG Coil Nailer