Package Includes:(3 pcs)877-334 Aftermarket Gasket and (3 pcs)877-325 Aftermarket Gasket. for Hitachi Framing Nailer Parts NR83A2 NR83A3. handy kit makes an overhaul repair of your NR83 framing nail gun fast & easy. These parts install quickly to make your nailer work like new again. This Hitachi 877325 Gasket is compatible with the following tools: NR83AA3, NV65AA, NV65AC, NV75A, NV83A2, NV83A, NV85AG, NV83A7, NR83A2(S), NR83A3S, 83AA2, NR83A3, NR83A, NR83AA4, NR83AA, NV83A3, NR83AA2, NR83A2. This Hitachi 877334 Gasket is compatible with the following tools: NR83AA3, NV75A, NV83A2, NR83A3S, NR83A2(S), NR83A3, 83AA2, NR83AA4, NR83A, NV83A3, NR83AA, NR83A2, NR83AA2. A brand-new, unused, unopened, undamaged item in its original packaging.