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Superior Parts SP 878-630

  • SP 878-630

Superior Parts SP 878-630

Aftermarket Piston Driver for Hitachi NR83AA Framing Nailer - 878301

Product category:  Hitachi Driver / Piston Assembly

Model number:   SP 878-630

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Product Description

Aftermarket Hitachi Framing Nailer Piston Driver. This is a generic replacement driver with o-ring for the Hitachi NR83AA framing gun. 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