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.

Features:

• Heat treated tool steel 6150 - Rockwell hardness 50-52
• Aerospace grade #2024 Aluminum piston
• Mechanically locked piston driver interface

This part is compatible with following Hitachi model numbers:

• NV90AG Coil Nailer
• NV90AGSM 3-1/2 Inch Coil Framing Nailer
• NV90AG(S) Nailer