National Stock Number
6850-00-591-5189
National Stock Number (NSN) 6850-00-591-5189, or NIIN 005915189, (heat transfer fluid) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 005915189 was cancelled on April 30, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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.
This NSN is assigned to Item Name Code (INC) 12786. [A COMPOUND OF NONSPECIFIC CHEMICALS, FORMULATED FOR USE AS HEAT TRANSFER AGENT FOR SUCH EQUIPMENT AS REFRIGERATING, EVAPORATING, ELECTRICAL HEATING ELEMENT, OR ENGINE THERMOMETER POWER ELEMENT. WHEN OF A SPECIFIC CHEMICAL OR CHEMICAL COMPOSITION, USE SPECIFIC CHEMICAL NAME OR SPECIFIC CHEMICAL COMPOSITION NAME.]. 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 6850005915189 does not contain precious metals.
This information was last updated on Aug 01, 2025.