>> Search results for: 27938091 NSN Search Results National Stock Number (NSN) Description 5310-00-531-3977, 5310005313977 Cancelled -> Replaced by 5310011785684 5310-01-178-5684 , 5310011785684 WASHER,FLAT 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