National Stock Number
1660-99-547-7250
National Stock Number (NSN) 1660-99-547-7250, or NIIN 995477250, (turbine wheel,aircraft cooling turbine) has an unknown assigned date. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are 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) 61430. [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 A SINGLE ONE PIECE WHEEL. IT IS A ROTATING PART OF AN AIRCRAFT COOLING TURBINE.].
This information was last updated on Aug 08, 2025.