>> Search results for: NNB01620EL NSN Search Results National Stock Number (NSN) Description 4820-01-311-4267, 4820013114267 SEAT,VALVE 4820-01-312-0997 , 4820013120997 VALVE,CHECK 5330-01-311-6990, 5330013116990 GASKET 4820-01-311-4950 , 4820013114950 DISK,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