National Stock Number
6850-00-664-1399
National Stock Number (NSN) 6850-00-664-1399, or NIIN 006641399, (antifreeze) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN. ISO Group has a strong supply network for this NSN, with 13 sources of supply.
This part number is actively being procured by the US Government, with procurement history within the last 90 days. There have been 149 contracts issued for this part number, with 195 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A625FZ6K2, SPE4A725FBV55, SPE4A725FBV55, SPE4A625FBFFY, SPE4A625FBCEV. The total value of the awarded contracts has been US$ 165,430.23.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has low volatility, with an estimated forecasted value of US$ 2,913. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 04, 2014, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 05131. [ANTIFREEZE IS A CHEMICAL SUBSTANCE, COMPOUND OR MIXTURE WHICH, WHEN IN AQUEOUS SOLUTIONS OF PRESCRIBED PROPORTION, WILL PREVENT FREEZING OF WATER-COOLED COOLING SYSTEMS.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 6850006641399 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 Jul 01, 2025.