>> Search results for: 8457285244ITEM50 NSN Search Results National Stock Number (NSN) Description 4820-01-477-2964, 4820014772964 SEAT,VALVE 4820-01-493-4689 , 4820014934689 SEAT,VALVE 4820-01-537-5815, 4820015375815 Cancelled -> Replaced by 4820010684693 4820-01-633-1375 , 4820016331375 SEAT,VALVE 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