>> Search results for: 550031SS12 NSN Search Results National Stock Number (NSN) Description 5340-01-458-9215, 5340014589215 RETAINER,ASSEMBLED NUT 5340-01-591-9662 , 5340015919662 RETAINER,ASSEMBLED NUT 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