National Stock Number
4420-01-186-9549
National Stock Number (NSN) 4420-01-186-9549, or NIIN 011869549, (cooler,fluid,industrial) was assigned August 16, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 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 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 Oct 24, 2016. There have been 2 contracts issued for this part number, with 2 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE8E817V0151, SPM8E812M0548. The total value of the awarded contracts has been US$ 19,333.00.
This NSN is somewhat common among different platforms, belonging to 4 different weapons systems.
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 Oct 21, 2011, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 04041. [AN APPARATUS DESIGNED TO LOWER THE TEMPERATURE OF A FLUID BY BRINGING IT INTO PROXIMITY WITH ANOTHER FLUID OF LOWER TEMPERATURE SO THAT HEAT TRANSFER IS EFFECTED BY CONDUCTION THROUGH THE WALLS OF SEPARATING CHAMBERS. EXCLUDES:AIR CONDITIONING EQUIPMENT, REFRIGERATION EQUIPMENT, AND RADIATORS.]. 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 4420011869549 does not contain precious metals.
This NSN is associated to Schedule B 7403290110: unwrought copper-nickel base alloys (cupro-nickel) or unwrought copper-nickel-zinc base alloys (nickel silver). The Schedule B End Use is listed as copper.
This information was last updated on Aug 01, 2025.