>> Search results for: 3B550 NSN Search Results National Stock Number (NSN) Description 6140-01-422-1519, 6140014221519 BATTERY ASSEMBLY 2805-00-423-9084 , 2805004239084 RING,PISTON 2805-00-426-4315, 2805004264315 PISTON 6645-00-515-4847 , 6645005154847 Cancelled -> Replaced by 6645009740012 5930-01-475-6100, 5930014756100 TIMER,AIRCRAFT,MATE 2815-00-352-7489 , 2815003527489 RING,PISTON 4820-12-318-2419, 4820123182419 VENTIL, MEHRWEGE- 1 Related Inventory Search You can use this search box to continue searching. Search parameters can include any combination of characteristics, specifications, description, partial part numbers, NSN or other stocking number. Special characters are not needed and are automatically stripped before searching. Do you sell this part? Become part of our growing pool of certified suppliers. Send Information