>> Search results for: U21012PC2 NSN Search Results National Stock Number (NSN) Description 5310-00-393-3297, 5310003933297 NUT,PLAIN,EXTENDED WASHER,HEXAGO 4320-00-278-9720 , 4320002789720 Cancelled -> Replaced by 4320003667588 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