>> Search results for: 6405216FIND2 NSN Search Results National Stock Number (NSN) Description 5340-01-398-9816, 5340013989816 COVER,ACCESS 4820-01-398-9821 , 4820013989821 SEAT,VALVE 5340-01-398-9819, 5340013989819 STOP,MECHANICAL 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