>> Search results for: F160021 NSN Search Results National Stock Number (NSN) Description 5310-99-785-5231, 5310997855231 WASHER,LOCK 5310-99-727-6362 , 5310997276362 WASHER,FLAT 5310-99-785-5237, 5310997855237 WASHER,LOCK 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