National Stock Number
1660-00-618-3540
National Stock Number (NSN) 1660-00-618-3540, or NIIN 006183540, (turbine wheel assembly,aircraft) was assigned February 20, 1975 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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, 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 30, 2004, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not the actual manufacturer. The rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.
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.]. 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 1660006183540 contains an unknown precious metal.
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.