National Stock Number
4120-01-537-3593
National Stock Number (NSN) 4120-01-537-3593, or NIIN 015373593, (cooler,air,evaporative) was assigned February 3, 2006 in the Federal Logistics Information System (FLIS). NIIN 015373593 was cancelled on December 18, 2018, 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 4 manufacturer part numbers 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, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 04, 2020, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
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.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4120015373593 does not contain precious metals.
This information was last updated on Aug 01, 2025.