>> Search results for: 12446YB NSN Search Results National Stock Number (NSN) Description 4820-00-657-4161, 4820006574161 VALVE,BALL 4820-01-273-7291 , 4820012737291 VALVE,BALL 4820-01-386-8339, 4820013868339 VALVE,BALL 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