>> Search results for: 3W21943 NSN Search Results National Stock Number (NSN) Description 4820-00-471-0058, 4820004710058 SEAT,VALVE 4310-00-470-9927 , 4310004709927 Cancelled -> Replaced by 4310009126649 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