National Stock Number
1660-00-255-3409
National Stock Number (NSN) 1660-00-255-3409, or NIIN 002553409, (heat exchanger,air to water,airc) was assigned June 20, 1973 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 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 Apr 02, 1991, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. 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 is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1660002553409 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 Oct 01, 2024.