National Stock Number
1660-00-457-9840
National Stock Number (NSN) 1660-00-457-9840, or NIIN 004579840, (housing,jet pump) was assigned April 30, 1969 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. One of those 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.
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 03, 2013, 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 needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 45069. [A COMPONENT PART OF AN ENVIRONMENTAL CONTROL UNIT WHICH MIXES AND DIRECTS AIR FLOW. DESIGNED TO SURROUND, RETAIN AND SUPPORT A JET PUMP NOZZLE. ASSISTS IN MAINTAINING AIR PRESSURE BUILDUP. INCLUDES INLET(S) AND OUTLET(S) WITH MOUNTING FACILITIES AND IS USUALLY OF TWO PIECE CONSTRUCTION. EXCLUDES:DUCT ASSEMBLY, AIR CONDITIONING-HEATING AIRCRAFT AND SCROLL HOUSING , 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 1660004579840 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.