>> Search results for: 18374011 NSN Search Results National Stock Number (NSN) Description 1660-00-916-3490, 1660009163490 HEAT EXCHANGER,AIR TO WATER,AIRCRAFT 1660-01-048-6840 , 1660010486840 Cancelled -> Replaced by 1660009163490 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