National Stock Number (NSN) 4150-01-644-1418, or NIIN 016441418, (cooling tube,vortex) was assigned April 22, 2015 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, with the most recent procurement date of Aug 31, 2015. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M215M2839, SPE7M215M2839. The total value of the awarded contracts has been US$ 60,400.65.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 23, 2015, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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) 50844. [AN ITEM WITH NO MOVING PARTS THAT CONVERTS A SUPPLY OF ORDINARY CUSTOMER SUPPLIED COMPRESSED AIR INTO TWO AIRSTREAMS AT SLIGHTLY ABOVE ATMOSPHERIC PRESSURE, ONE HOT AND ONE COLD. THE VORTEX TUBE CAN PRODUCE UP TO 6000 BTUH OF REFRIGERATION OR TEMPERATURES DOWN TO -40 DEGREES FAHRENHEIT, USING NOTHING MORE THAN COMPRESSED AIR AT 100 PSIG. EXCLUDES REFRIGERATION SYSTEM, MECHANICAL; REFRIGERATION UNIT, MECHANICAL; AIR CONDITIONER; COOLER, AIR EVAPORATIVE; AND COOLER UNIT, AIR.]. 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 4150016441418 does not contain precious metals.
This NSN is associated to Schedule B 8540890080: thermionic, cold cathode or photocathode tubes, nesoi. The Schedule B End Use is listed as telecommunications equipment.
This information was last updated on Jun 01, 2025.