>> Search results for: 055212121A NSN Search Results National Stock Number (NSN) Description 2805-01-165-7899, 2805011657899 VALVE,POPPET,ENGINE 2805-01-252-7869 , 2805012527869 VALVE,POPPET,ENGINE 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