National Stock Number
4420-01-028-3512
National Stock Number (NSN) 4420-01-028-3512, or NIIN 010283512, (cooling coil,air,duct type) was assigned September 30, 1976 in the Federal Logistics Information System (FLIS). NIIN 010283512 was cancelled on December 15, 2017, 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 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) 07530. [A UNIT CONSISTING OF PARALLEL TUBES JOINED TOGETHER BY A HEADER ON HEADERS, UTILIZING FINS TO INCREASE THE SURFACE AREA. DESIGNED TO BE USED IN CONJUNCTION WITH A DUCT IN WHICH A BLOWER OR FAN IS PROVIDED TO CIRCULATE AIR THROUGH THE UNIT TO PERFORM THE FUNCTION OF COOLING, HEATING , VENTILATING AND/OR DEHUMIDIFYING (HVAC).]. 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 4420010283512 does not contain precious metals.
This information was last updated on Jul 01, 2025.