- Replacement for Hitachi Models: This piston bumper is specifically designed to replace Hitachi frame nailer models NR83A, NR83A2, and NR83A2(S). It serves as a direct replacement for part numbers 883-511, 878-303, and SP 878-. - Precision Engineering: Crafted with high precision, this piston bumper undergoes meticulous mechanical processing. Made from pure, high-density material, it ensures enhanced durability and reliable performance. - Perfect Compatibility: The piston bumper guarantees a snug fit and is compatible with models NR90AE, NR90AD, NV90AG, NR90AE(S), NR90AF, and NR90ADPR. It integrates seamlessly with your existing tools for hassle-free operation. - High-Quality Material: Constructed from PU, this piston bumper combines excellent quality with reliability. Its bright yellow color not only enhances visibility but also adds a stylish touch to your equipment. Use Scenarios: 1. Construction Projects: Perfect for professional contractors who require a dependable nailer for framing, ensuring efficient and precise fastening. 2. Home Renovations: Ideal for DIY enthusiasts looking to upgrade their tools for improved performance in home improvement tasks. 3. Maintenance and Repair: A valuable addition for maintenance teams needing reliable tools to ensure smooth operation in various applications. This piston bumper is essential for maintaining optimal performance in your nailer, enhancing the longevity of your tools while providing the reliability needed for any job.