>> Search results for: 2640403X11 NSN Search Results National Stock Number (NSN) Description 4820-01-209-0298, 4820012090298 VALVE,BALL 4820-01-209-0297 , 4820012090297 VALVE,BALL 4820-00-728-8174, 4820007288174 VALVE,BALL 4820-00-886-3408 , 4820008863408 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