National Stock Number
1660-01-543-0507
National Stock Number (NSN) 1660-01-543-0507, or NIIN 015430507, (heat exchanger,fluid to fluid,ai) was assigned August 28, 2006 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, there are no suppliers 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.
This NSN is assigned to Item Name Code (INC) 51879. [A HEAT TRANSFER DEVICE DESIGNED TO LOWER THE TEMPERATURE OF ONE FLUID BY PASSING IT, BY MEANS OF TUBES, PIPES, OR THE LIKE, THROUGH ANOTHER FLUID. THE SECOND FLUID WOULD, DEPENDING UPON THE DESIGN, EITHER RAISE OR LOWER THE TEMPERATURE OF THE FIRST FLUID. SEE ALSO; HEAT EXCHANGER (AS MODIFIED).]. 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 1660015430507 does not contain precious metals.
This NSN is associated to Schedule B 8803300060: other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof). The Schedule B End Use is listed as parts for military-type goods. NAICS classification category 336413: other aircraft parts and auxiliary equipment manufacturing.
This information was last updated on Jul 01, 2025.