2pcs SP-P3 Plunger Valve Assembly. for Hitachi NR83A, NR83A2, NR83A2(S) Framing Nailers. Includes: SP 884-114 Plunger (B) (fits NR83A2, NR83A2(S), NR83AA3) | SP 884-111 Valve Bushing (fits NR83A2, NR83A2(S), NR83AA3) | SP 949-424 Metal Washer M5 | SP 884-113 Plunger Spring (A) (fits NR83A2, NR83A2(S), NR83AA3) (SP 877-338) | SP 884-115 Plunger Spring (B) (fits NR83A2, NR83A2(S), NR83AA3) | SP 875-643 Plunger Spring | SP 874-436 Plunger O-Ring | SP 884-112 O-Ring x 2 | SP 872-645 O-Ring x 2 | SP 876-316 O-Ring | SP 884-116 Valve Sleeve | SP 878-723 O-Ring. A brand-new, unused, unopened, undamaged item in its original packaging.