Superior Parts SP 877-325Q. Aftermarket Gasket, Premium quality guarantees 100% satisfaction. These gaskets are formed with stainless steel that provides high level of thermal, corrosive and pressure resistance to go with great durability and tensile strength. Compatible with Hitachi NR83A/2, NR83AA, NV83A2(AL83A-22) Framing nailers. Details Stainless Steel construction is impossible to crack and an optimum material for enhanced sealing Rubber coating provides increased conformabilityto irregular surfaces Rubber coated metal is a dimensionally stable solution for reliability Rubber coated metal can be resilient for extremely tough and high pressure use Rigid structure makes assembling / disassembling easier More Information Model# SP 877-325Q UPC 099461760370 WARNING California Proposition 65 Brand Superior Parts