National Stock Number (NSN) 1660-01-115-5460, or NIIN 011155460, (turbine wheel assembly,aircraft) was assigned July 9, 1981 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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 a year. There have been 17 contracts issued for this part number, with 17 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE4A723PC132, SPE4A416V8782, SPE4A716V1371, SPE4A616V7891, SPE4A616V7891. The total value of the awarded contracts has been US$ 212,581.75.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 20, 2007, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. 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 1660011155460 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 Aug 01, 2025.