National Stock Number
4120-00-289-9241
National Stock Number (NSN) 4120-00-289-9241, or NIIN 002899241, (air conditioner) 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 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 3 suppliers. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
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) 06486. [A SELF-CONTAINED UNIT DESIGNED TO PERFORM THE FUNCTIONS OF COOLING, CIRCULATING, FILTERING, DEHUMIDIFYING OR OTHERWISE PROCESSING OF AIR. IT MAY ALSO BE EQUIPPED TO PERFORM THE ADDITIONAL FUNCTIONS OF HEATING OR HUMIDIFYING. IT MAY BE THE AIR CYCLE TYPE USED IN AIRCRAFT OR THE VAPOR CYCLE TYPE APPLICABLE TO GROUND OR AEROSPACE EQUIPMENT. EXCLUDES ENVIRONMENTAL CONTROL UNIT, PERSONNEL, SELF-CONTAINED.]. 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 4120002899241 does not contain precious metals.
This information was last updated on Aug 01, 2025.