>> Search results for: 7442056 NSN Search Results National Stock Number (NSN) Description 1660-00-618-3550, 1660006183550 HEAT EXCHANGER,AIR TO AIR,AIRCRA 5950-15-135-2636 , 5950151352636 TRASFORMATORE 1 Related Inventory 744205-621Heat ExchangerA RequestAdd to RFQ 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