>> Search results for: 639228301 NSN Search Results National Stock Number (NSN) Description 4710-01-537-4789, 4710015374789 TUBE AND FITTINGS,METALLIC 2040-01-442-3748 , 2040014423748 CONNECTOR,THRU-HULL 4820-01-541-1543, 4820015411543 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