Superior Parts SP 889-103 Aftermarket Plunger (B) Spring for Hitachi NR83A5 Replaces Hitachi 889103 & 889-103. Details Compatible with: Metabo HPT (Hitachi): NR83A5 Strip Nailer NR83A5(S)M 3-1/4 Inch Rnd Head Framing Nailer W/Out Depth Adjustment NR83A5M 3-1/4 Inch Rnd Head Framing Nailer W/ Depth Adjustment NR83AA5M 3-1/4 Inch Clipped Head Fram Nailer Accepts Paper Tape Collated Nails NV83A5M 3-1/4 Inch Coil Framing Nailer 2 Inch-3-1/4 Inch X 0.099 Inch-0.131 Inch NR83A5(S) Nailer NR83AA5 Nailer More Information Model# SP 889-103 UPC 099461763869 WARNING California Proposition 65 Brand Superior Parts