Piston Driver Assembly:This piston driver is compatible with Hitachi NR83A, NR83A2, NR83A2(S) framing strip nailers. Direct replacement for part numbers 885915, 877323, SP 877-323, SP 885-915
Premium Material Construction:Constructed from heat-treated tool steel 6150 with a Rockwell hardness of 50-52, paired with high-strength aerospace grade #2024 aluminum for superior durability and long service life
Secure & Precise Fit:Aluminum component is crimped into shaft grooves to prevent loosening. Features hardened steel locking structure and micro-mechanical locking interface for stable performance
User-Friendly Installation:Simple to install with no complicated tools required. Can be fully installed by one person, effectively reducing maintenance time and repair costs
Reliable After-Sales Support:Includes 6 EA-877-323 piston drivers and 2 piston O-rings. Please verify part numbers before ordering. Contact us with any questions, and we will respond within 24 hours.