National Stock Number
6850-01-651-1172
National Stock Number (NSN) 6850-01-651-1172, or NIIN 016511172, (coolant) was assigned January 5, 2016 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 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 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Mar 06, 2020. 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: SPE4A620PA742, SPE4A620PA742. The total value of the awarded contracts has been US$ 4,442.61.
This NSN is somewhat common among different platforms, belonging to 3 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 Jan 06, 2016, 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) 68228. [A MIXTURE WHICH PRIMARILY CONSISTS OF DEMINERALIZED WATER, ANTIFREEZE AND A CORROSION INHIBITOR. IT MAY INCLUDE OTHER COMPONENTS SUCH AS REPELLENT AGENT FOR CHILDREN, AND THE LIKE. IT IS DESIGNED TO DRAW AND TRANSFER HEAT FROM A HEAT SOURCE THAT REQUIRES TEMPERATURE CONTROL, TRANSFERRING IT TO BE THE COOLING SYSTEM HEAT EXCHANGER. EXCLUDES:ANTIFREEZE.]. Item has not been reviewed for Flight Safety Critical Aircraft Part (FSACP), Critical Safety Item (CSI), or Critical Application Item (CAI) purposes by an approved engineering authority. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 6850016511172 does not contain precious metals.
This NSN is associated to Schedule B 3820000000: antifreezing preparation and prepared deicing fluids. The Schedule B End Use is listed as chemicals-other. NAICS classification category 325998: all other miscellaneous chemical product and preparation manufacturing.
This information was last updated on Aug 01, 2025.