>> Search results for: 21C3240 NSN Search Results National Stock Number (NSN) Description 4920-01-340-9368, 4920013409368 FIXTURE,AIRCRAFT MAINTENANCE 7310-99-406-2287 , 7310994062287 WASHER,FILLER CAP,F 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