Superior Parts SP 877-307 Aftermarket Head Cap/Gasket Set for Hitachi NR83A,
And Gasket SP 877-326. Compatible with: Hitachi: NR83AA3 Clipped Head Framing. Framing Nailers. Heat treated head cap for maximum strength. Includes Head Cap. Nailer, NR83A2(S) Framing Nailer, Full Head, Plastic Strip Collation (without. ).