National Stock Number
1660-00-658-6838
National Stock Number (NSN) 1660-00-658-6838, or NIIN 006586838, (turbine wheel assembly,aircraft cooling turbine) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 006586838 was cancelled on August 24, 2011, 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 is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 61431. [AN ITEM CONSISTING OF BLADES OR VANES EQUALLY SPACED AROUND THE PERIPHERY OR FACE OF A HUB, ROTOR, OR WHEEL. DESIGNED TO RECEIVE THE ENERGY OF COMPRESSED AIR DIRECTED THROUGH NOZZLE VANES AND IMPINGED UPON THE BLADES OF THE TURBINE WHEEL CREATING ROTARY ENERGY AND MOTION. DRIVES AN IMPELLER OR FAN AND DISCHARGES COOL AIR. CONSISTS OF TWO MATCHED WHEELS, ONE SMALLER THAN THE OTHER, MOUNTED TOGETHER TO FORM A SINGLE 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 1660006586838 does not contain precious metals.
This information was last updated on Aug 01, 2025.