National Stock Number (NSN) 1660-01-242-3366, or NIIN 012423366, (scroll housing,aircraft cooling) was assigned October 9, 1986 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 5 years, with the most recent procurement date of Apr 28, 2017. There have been 2 contracts issued for this part number, with 11 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: SPE4AX14D9406, SPE4AX14D9406, SPE4AX14D9406, SPM74001D9711, SPM74001D9711. The total value of the awarded contracts has been US$ 1,677,841.84.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2006, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 61425. [A SCROLL SHAPED ITEM WHICH IS A COMPONENT PART OF A COOLING TURBINE. IT ACTS AS A HOUSING FOR THE TURBINE WHEEL AND/OR IMPELLER WHEEL. ASSISTS IN CREATING AND/OR MAINTAINING PRESSURE BUILDUP. CONTAINS INLET AND OUTLET AND IS OF ONE PIECE CONSTRUCTION. IT MAY INCLUDE A NOZZLE RING, A BAFFLE AND THE LIKE. EXCLUDES HOUSING, SUPERCHARGER.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1660012423366 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 Aug 01, 2025.