>> Search results for: U20220A NSN Search Results National Stock Number (NSN) Description 4730-01-311-4251, 4730013114251 ADAPTER,STRAIGHT,FLANGE TO TUBE 4730-01-296-2972 , 4730012962972 ADAPTER,STRAIGHT,FLANGE TO TUBE 4730-01-288-2566, 4730012882566 UNION,TUBE 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