National Stock Number
6850-01-287-1057
National Stock Number (NSN) 6850-01-287-1057, or NIIN 012871057, (inhibitor,corrosion,liquid cooli) was assigned October 15, 1988 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. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 3 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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 70 contracts issued for this part number, with 138 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A725FAKXB, SPE4A724FCABL, SPE4A724FB5VN, SPE4A723FBSPY, SPE4A723FBSPY. The total value of the awarded contracts has been US$ 524,116.69.
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 May 02, 2006, 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 is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 00286. [A COMPOUND COMPOSED OF VARIOUS CHEMICALS TO BE ADDED TO COOLING MEDIA TO RETARD AND/OR PREVENT FORMATION OF RUST, SCALE, SLUDGE, AND CORROSION IN COOLING SYSTEMS, SUCH AS IN INTERNAL COMBUSTION ENGINES. EXCLUDES:FLUSHOUT COMPOUNDS.]. 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 6850012871057 does not contain precious metals.
This information was last updated on Aug 01, 2025.