National Stock Number
1660-01-487-5303
National Stock Number (NSN) 1660-01-487-5303, or NIIN 014875303, (heat exchanger,air to air,aircra) was assigned August 9, 2001 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are 2 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 16, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 61419. [A HEAT TRANSFER DEVICE DESIGNED TO LOWER COMPRESSED AIR TEMPERATURE TO AN ACCEPTABLE LEVEL BY PASSING IT THROUGH TUBES AND FLOWING DUCTED RAM AIR OVER THE TUBES, HEAT OF THE COMPRESSED AIR IS TRANSFERRED TO THE RAM AIR REDUCING THE TEMPERATURE. CONSISTS OF A SHEET METAL HOUSING WITH RAM AIR CONNECTION(S) WITH OR WITHOUT DUCTS, A TUBULAR TYPE CORE, INLET AND OUTLET PORTS. MAY CONTAIN A SHUTOFF VALVE. NORMALLY USED IN AIRCRAFT AIR CONDITIONING AND/OR AIR INDUCTION SYSTEMS.]. 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 1660014875303 does not contain precious metals.
This information was last updated on Aug 01, 2025.