Superior Parts SP 878-888 Aftermarket O-Ring (I.D 1.8) for Hitachi NR65AK, NR65AK2, NR90, NT65, NT65M2, NV65AH Nailers Replaces Hitachi 878888 - 2pcs/pack. Details Compatible With: Hitachi N3804AB3 1/4" Narrow Crown Stapler N3804AB3(S) Stapler NR65AK Strap-Tite Fastening System Strip Nailer NR65AK(S) Short Magazine Strap-Tite Fastening System NR65AK2 Strip Nailer NR90AA Clipped Head Framing Nailer NR90AC 3-1/2" Full head Framing Nailer NR90AC2 3-1/2" Full head Framing Nailer NR90AC3 Full Head Framing Nailer NR90AD Strip Nailer NR90ADPR Strip Nailer NR90AE 3-1/2" Round Head Framing Nailer NR90AE(S) Strip Nailer NR90AF Strip Nailer NT32AE2 Brad Nailer NT50AE2 2" 18-Gauge Brad Nailer NT50AE2(S) Brad Nailer NT65AA 2-1/2" 15Ga Angled Finish Nailer NT65M 2-1/2" 16-Gauge Finish Nailer NT65MA 2-1/2" 15Ga Angled Finish Nailer w/Air Duster NT65MA2 15-Gauge Angled Finish Nailer NT65MA3 2-1/2" 15-Gauge Angled Finish Nailer NT65MA4 Finish Nailer NT65MA4(S) Finish Nailer NV45AC 1-3/4" Light Duty Roofing Coil Nailer NV50AE Light Duty Coil Nailer NV50AG Drywall Coil Nailer NV50AP3 2" Cap Nailer NV65AH Coil Siding Nailer NV75AG Coil Siding/Framing Nailer NV85AG Coil Siding/Framing Nailer NV90AG Coil Nailer NT65M2 Finish Nailer More Information Model# SP 878-888 UPC 099461757448 WARNING California Proposition 65 Brand Superior Parts