National Stock Number
1660-00-631-1942
National Stock Number (NSN) 1660-00-631-1942, or NIIN 006311942, (impeller wheel,aircraft cooling turbine) has an unknown assigned date. NIIN 006311942 was cancelled on November 18, 2000, with a cancelled status of "Item is Cancelled - Inactive." 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 assigned to Item Name Code (INC) 61421. [AN ITEM CONSISTING OF BLADES, VANES OR PADDLES EQUALLY SPACED AROUND THE PERIPHERY OR FACE OF A HUB, ROTOR OR WHEEL. IT IS TURBINE WHEEL OR SHAFT DRIVEN. DESIGNED PRIMARILY AS A MEANS FOR ABSORBING THE ENERGY AND TO ACT AS A GOVERNING FORCE FOR A TURBINE WHEEL. ALSO AIDS IN DRAWING RAM AIR THROUGH A HEAT EXCHANGER. MAY BE USED TO COMPRESS THE AIR REQUIRED TO DRIVE THE TURBINE WHEEL. IT IS A ROTATING PART OF AN AIRCRAFT COOLING TURBINE.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1660006311942 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.