>> Search results for: A18521 NSN Search Results National Stock Number (NSN) Description 1660-00-468-9725, 1660004689725 DIAPHRAGM ASSYSVALV 5342-66-035-4990 , 5342660354990 TIE ROD,TENSIONING, 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