>> Search results for: 51U791 NSN Search Results National Stock Number (NSN) Description 5310-01-673-3413, 5310016733413 NUT,PLAIN,EXTENDED WASHER,DOUBLE 5310-01-687-6853 , 5310016876853 NUT,PLAIN,EXTENDED WASHER,DOUBLE 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