National Stock Number
2835-01-673-4580
National Stock Number (NSN) 2835-01-673-4580, or NIIN 016734580, (heat exchanger,air to air,non-ai) was assigned June 14, 2018 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) 80672. [A HEAT TRANSFER DEVICE DESIGNED TO CHANGE AIR TEMPERATURE TO AN ACCEPTABLE LEVEL BY PASSING IT THROUGH TUBES AND FLOWING AIR OVER THE TUBES. MAY CONSIST OF A SHEET METAL HOUSING WITH AIR CONNECTION(S) WITH OR WITHOUT DUCTS, A TUBULAR TYPE CORE, INLET AND OUTLET PORTS. MAY CONTAIN A SHUTOFF VALVE. TYPICALLY USED IN MARINE GAS TURBINE ENGINE ASSEMBLIES.]. 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 2835016734580 does not contain precious metals.
This information was last updated on Jul 01, 2025.