Performance Piston Driver Replacement for Hitachi NR83A Series Framing Nailers Ensure your Hitachi framing nailer operates at peak performance with this precisionengineered piston driver assembly. Designed specifically for the NR83A series, this quality part offers the reliability and durability professionals need on the job site. Key Features and Benefits: Direct compatibility with Hitachi NR83A, NR83A2, NR83A3, NR83A5, and NR83A5S framing nailers fit for 21degree plastic collated framing nailers, including 31/4 inch nail capacity models Manufactured from durable 10inch steel for longlasting strength and resistance to wear OEMequivalent performance for consistent nailing power and efficiency Helps restore full driving force, ensuring nails are set flush and securely Function and Performance: This piston driver assembly replaces worn or damaged drivers that cause misfires, incomplete drives, or reduced nailer power. With precise dimensions and grade steel construction, it delivers dependable results for heavyduty framing and construction applications. Compatibility: 877323 Piston Driver for Hitachi NR83A2, NR83A, NR83A3 890385 Piston Driver 10inch Steel for NR83A Series Nailers Fits NR83A5 and NR83A5S framing nailers Designed for 21degree plastic collated nail types up to 31/4 inch length Practical Use Scenarios: 1. Framing and structural work where consistent nail depth is critical for safety and code compliance 2. Roof decking or subfloor installation requiring repeated, force driving without jamming 3. Largescale construction projects where downtime due to tool failure can delay schedules and increase costs Material and Build Quality: Crafted from hardened steel, this piston driver withstands repeated impacts without bending or breaking, extending the life of your nailer and maintaining its operational efficiency. If you need a reliable replacement to keep your NR83A series framing nailer performing like , this piston driver assembly is the right choice for professional carpenters, contractors, and builders.