National Stock Number
1660-00-078-0987
National Stock Number (NSN) 1660-00-078-0987, or NIIN 000780987, (impeller wheel,aircraft cooling) was assigned August 2, 1967 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.
This NSN is unique to one weapons system.
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. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 61421. [AN ITEM CONSISTING OF BLADES, VANES OR PADDLES EQUALLY SPACED AROUND THE PERIPHERY OR FACE OF A HUB, ROTOR OR WHEEL. IT IS TURBINE WHEEL OR SHAFT DRIVEN. DESIGNED PRIMARILY AS A MEANS FOR ABSORBING THE ENERGY AND TO ACT AS A GOVERNING FORCE FOR A TURBINE WHEEL. ALSO AIDS IN DRAWING RAM AIR THROUGH A HEAT EXCHANGER. MAY BE USED TO COMPRESS THE AIR REQUIRED TO DRIVE THE 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 1660000780987 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 Jul 01, 2025.