National Stock Number (NSN) 1660-01-087-3492, or NIIN 010873492, (heat exchanger,air to water,airc) was assigned December 15, 1979 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Feb 13, 2019. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE4A719P5940, SPM4A712M0139, SPM4A712M0139, SPM4A710M4957, SPM4A710M4957. The total value of the awarded contracts has been US$ 108,600.00.
This NSN is unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 04, 2018, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 61420. [A HEAT TRANSFER DEVICE DESIGNED TO LOWER COMPRESSED AIR TEMPERATURE TO AN ACCEPTABLE LEVEL BY PASSING IT THROUGH AN EXCHANGER CORE IMMERSED IN A TANK OF WATER. THE HEAT OF THE AIR IS ABSORBED BY THE WATER CAUSING THE WATER TO BOIL AND CARRY THE HEAT OFF AS STEAM REDUCING THE AIR TEMPERATURE. MAY CONTAIN A WATER TANK AND/OR A COLLECTOR OR CONDENSOR SECTION TURNING A PORTION OF THE STEAM BACK INTO WATER CONSERVING THE WATER SUPPLY. CONTAINS AIR INLET AND OUTLET PORTS. MAY INCORPORATE AN AIR BYPASS OUTLET AND A STEAM VENT PORT. NORMALLY USED IN AIRCRAFT AIR CONDITIONING 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 1660010873492 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 May 01, 2025.