National Stock Number
1660-01-707-0803
National Stock Number (NSN) 1660-01-707-0803, or NIIN 017070803, (turbine,aircraft cooling) was assigned January 13, 2023 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 assigned to Item Name Code (INC) 61429. [A NONPOSITIVE DISPLACEMENT MECHANICAL DEVICE DESIGNED TO PROVIDE COOL AIR IN AIRCRAFT AIR CONDITIONING SYSTEMS. COOL AIR OR REDUCTION IN TEMPERATURE IS OBTAINED WHEN THE HEAT OR ENERGY OF COMPRESSED AIR IS REMOVED BY CONVERTING IT TO WORK OR MECHANICAL ENERGY TO DRIVE AN IMPELLER WHEEL. COMPRESSED AIR IS DIRECTED THROUGH NOZZLE VANES AND IMPINGED UPON THE BLADES OF A TURBINE WHEEL CREATING ROTARY MOTION WHICH DRIVES AN IMPELLER WHEEL. CONSISTS OF AN IMPELLER WHEEL, A TURBINE WHEEL MATCHED WITH A NOZZLE RING ON A BEARING MOUNTED SHAFT WITHIN A SCROLL TYPE HOUSING(S).]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1660017070803 does not contain precious metals.
This NSN is associated to Schedule B 8803300060: other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof). The Schedule B End Use is listed as parts for military-type goods. NAICS classification category 336413: other aircraft parts and auxiliary equipment manufacturing.
This information was last updated on Jul 01, 2025.