>> Search results for: 2640405X4 NSN Search Results National Stock Number (NSN) Description 4820-01-135-2320, 4820011352320 SEAT,VALVE 4820-01-142-0463 , 4820011420463 SEAT,VALVE 4820-01-142-1586, 4820011421586 VALVE,BALL 4820-00-045-5742 , 4820000455742 VALVE,BALL 4820-00-938-8530, 4820009388530 STEM,VALVE 4820-00-938-8529 , 4820009388529 BALL,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