>> Search results for: AA50457 NSN Search Results National Stock Number (NSN) Description 4520-00-204-0693, 4520002040693 Cancelled -> Replaced by 4520002777141 4520-00-516-4671 , 4520005164671 Cancelled -> Replaced by 4520007204734 4520-00-720-4735, 4520007204735 VALVE,RADIATOR,HEATING 4520-00-720-4736 , 4520007204736 Cancelled -> Replaced by 4520002779567 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