National Stock Number
1660-00-866-7996
National Stock Number (NSN) 1660-00-866-7996, or NIIN 008667996, (diffuser,air,aircraft heating an) was assigned January 1, 1960 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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 a year. There have been 16 contracts issued for this part number, with 16 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A724F4793, SPE4A722F2662, SPE4A722F1101, SPE4A721F8099, SPE4A721F5522. The total value of the awarded contracts has been US$ 488,215.80.
This NSN is somewhat common among different platforms, belonging to 2 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 Aug 02, 2005, 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 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) 60400. [A DEVICE FOR INSTALLATION IN AIRCRAFT, USED IN VARYING DESIGNS TO EFFECT THE PROPER DISTRIBUTION OF VENTILATED OR HEATED AIR TO ASSURE TEMPERATURE EQUALIZATION, OR FOR THE DEFROSTING AND DE-ICING OF AIRCRAFT GLASS SURFACES.]. 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 1660008667996 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.