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Superior Parts SP 877-323U

  • SP 877-323U

Superior Parts SP 877-323U

Aftermarket Piston Driver for Hitachi NR83A + A2 (Made of U.S.A S7 Steel)

Product category:  Hitachi Driver / Piston Assembly

Model number:   SP 877-323U

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Product Description

Aftermarket Hitachi Framing Nailer Piston Driver. This is a generic replacement driver with o-ring for the Hitachi NR83A, NR83A2, NR83A2(S) framing 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.



  • Material: USA S7 Steel
  • Aerospace grade #2024 Aluminum piston
  • Mechanically locked piston driver interface