National Stock Number
1660-15-179-8717
National Stock Number (NSN) 1660-15-179-8717, or NIIN 151798717, (heat exchanger,fluid to air) has an unknown assigned date. NIIN 151798717 was cancelled on April 2, 2019, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
This NSN is assigned to Item Name Code (INC) 51905. [A HEAT TRANSFER DEVICE DESIGNED TO LOWER THE TEMPERATURE OF A FLUID THROUGH AIRFLOW. MAY BE USED IN AIR CONDITIONING SYSTEMS, DRIVE MECHANISMS, AND THE LIKE. SEE ALSO HEAT EXCHANGER, AIR TO AIR, AIRCRAFT AND HEAT EXCHANGER, AIR TO WATER, AIRCRAFT.].
This information was last updated on Aug 04, 2025.