>> Search results for: 21C5640G02 NSN Search Results National Stock Number (NSN) Description 4920-01-054-9357, 4920010549357 RETAINER,ROTOR 4920-01-054-9357 , 4920010549357 RETAINER,ROTOR 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