Superior Parts SP 876-172 Aftermarket Cylinder Spring for Hitachi NV45AB, NT65A, NT50A, N5010A, N5008AC, N5008AC2, N5008ACP - Replaces Hitachi 876-172. Details Compatible with: Hitachi NV45AB2 Side Load Coil Roofing Nailer NV45AB2(S) Bottom Load Coil Roofing Nailer NV45AE 1-3/4" Side Load Coil Roofing Nailer NV50A1 Light-Duty Coil Utility Nailer NV50AA Light-Duty Coil Utility Nailer N5008ACP 7/16" 1" - 2" x 16 Gauge Standard Crown Stapler N5010A 1/2" Standard Crown Stapler N5021A 15/16" Wide Crown Stapler N5024A 1" Wide Crown Stapler NV50AP2 Full Round Head, Coil, Wire Collation Pasti-Tacker Plus N3824A .5"-1.5" Wide Crown Stapler 16Ga N5008A1 Stapler N5008AC 2" 16Ga 1"-2"Standard Crown Construction Stapler NH451 "T" Nailer NT50A 18Ga Brad Nailer NT65A 16 Gage Brad Nailer NT65A2 2-1/2" 16Ga Finish Nailer NV45AA Heavy Duty Coil Nailer NV45AB 1-3/4" Heavy Duty, Roofing Coil Nailer VH501 Nailer N5008AC2 Stapler N5024A2 Stapler More Information Model# SP 876-172 UPC 099461762770 WARNING California Proposition 65 Brand Superior Parts