National Stock Number
4120-01-683-2534
National Stock Number (NSN) 4120-01-683-2534, or NIIN 016832534, (cooler,air,evaporative) was assigned September 16, 2019 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 one supplier. 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 5 years.
This NSN is assigned to Item Name Code (INC) 20341. [A SELF-CONTAINED UNIT DESIGNED TO PERFORM THE FUNCTIONS OF COOLING, FILTERING AND CIRCULATING FRESH AIR. IN OPERATION, FRESH AIR IS DRAWN INTO THE COOLER FROM AN OUTSIDE SOURCE, THROUGH WATER EVAPORATING FILTER PADS, BY A POWER DRIVEN FAN. THE TEMPERATURE OF THE AIR IS REDUCED BY THE PRINCIPLE OF EVAPORATIVE COOLING. THE AIR IS THEN FORCED THROUGH A DISCHARGE OPENING. MAY BE CONNECTED TO AN AIR DUCT SYSTEM. SEE ALSO AIR CONDITIONER.]. 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 4120016832534 does not contain precious metals.
This NSN is associated to Schedule B 8415909000: parts, nesoi, of air conditioning machines. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333415: air-conditioning and warm air heating equipment and commercial and industrial refrigeration equipment manufacturing.
This information was last updated on Jul 01, 2025.