>> Search results for: HCMS55212K6ITEM1 NSN Search Results National Stock Number (NSN) Description 4820-01-299-3984, 4820012993984 BODY,VALVE 5305-01-297-7460 , 5305012977460 SETSCREW 4820-01-299-3972, 4820012993972 CAP,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