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Superior Parts SP 878-428

  • SP 878-428
  • SP 878-428
  • SP 878-428

Superior Parts SP 878-428

Aftermarket Piston Driver for Hitachi NV83A, NV83A2, NV83A3 Nailer

Product category:  Hitachi Driver / Piston Assembly

Model number:   SP 878-428

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Product Description

Aftermarket Hitachi Nailer Piston Driver. This is a generic replacement drivers with o-ring for the Hitachi NV83A, NV83A2 & NV83A3 guns. This comes with a patent pending locking mechanism which will not allow the driver to unscrew from the piston. Aluminum is crimped into the unilok grooves of the shaft to prevent unscrewing. Guaranteed never to unscrew.


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