National Stock Number
1660-00-896-5504
National Stock Number (NSN) 1660-00-896-5504, or NIIN 008965504, (refrigeration unit,air cycle,air) was assigned January 1, 1963 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 61423. [A UNIT DESIGNED TO PROVIDE COOL AIR IN AN AIRCRAFT AIR CONDITIONING SYSTEM FOR DISTRIBUTION TO CABIN AND/OR COMPARTMENTS. IT IS AN AIR CYCLE TYPE UNIT USING AIR AS THE REFRIGERANT MEDIA. BASICALLY CONSISTS OF A COOLING TURBINE AND A HEAT EXCHANGER. PERFORMS COOLING BUT DOES NOT CONDITION AIR. IT IS USED IN CONJUNCTION WITH CONTROL VALVES BUT IN ITSELF HAS NO MEANS FOR CONTROLLING THE TEMPERATURE OR THE AIR IT IS PROVIDING.]. 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 1660008965504 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.