>> Search results for: 21FC428 NSN Search Results National Stock Number (NSN) Description 5310-00-035-5296, 5310000355296 NUT,SELF-LOCKING,HEXAGON 5310-01-012-3599 , 5310010123599 Cancelled -> Replaced by 5310010797045 1 Related Inventory 44ZM4621FC-428Condition NELock Nut: Flex Readily AvailableAdd to RFQ 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