National Stock Number
4120-01-045-4721
National Stock Number (NSN) 4120-01-045-4721, or NIIN 010454721, (air conditioner) has an unknown assigned date. NIIN 010454721 was cancelled on August 8, 1991, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to 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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4120010454721 does not contain precious metals.
This information was last updated on Aug 01, 2025.