>> Search results for: AA2278 NSN Search Results National Stock Number (NSN) Description 5440-00-372-0686, 5440003720686 Cancelled -> Replaced by 5440005470687 4820-00-391-8183 , 4820003918183 SEAT,VALVE 5360-00-291-6122, 5360002916122 SPRING,HELICAL,COMPRESSION 4820-00-306-1257 , 4820003061257 DIAPHRAGM,VALVE,FLAT 4310-00-174-0289, 4310001740289 RING,PISTON 4820-00-391-8178 , 4820003918178 CHAMBER,PISTON 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