>> Search results for: KL3631 NSN Search Results National Stock Number (NSN) Description 5310-14-248-4431, 5310142484431 ECROU HEXAGONAL A C 5310-99-712-0848 , 5310997120848 NUT,CASTELLATED HEX 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