NSN 6850-01-701-3421, 6850017013421
HEAT TRANSFER FLUID

Federal Supply Classification: FSC 6850 - Miscellaneous Chemical Specialties
National Item Identification Number: NIIN 017013421
Codification Country: United States
Item Name Code: INC 12786
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (Y) Information is in the Hazardous Materials Information Resource System (HMIRS).

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DLMS^® Summary

National Stock Number 6850-01-701-3421

National Stock Number (NSN) 6850-01-701-3421, or NIIN 017013421, (heat transfer fluid) was assigned May 11, 2022 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 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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 8 contracts issued for this part number, with 8 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE4A625PN734, SPE4A625P1038, SPE4A624PAL75, SPE4A624V0085, SPE4A523P5500. The total value of the awarded contracts has been US$ 1,069,956.95.

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 medium volatility, with an estimated forecasted value of US$ 1,146,364.

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 6850017013421 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

PART NAME ASSIGNED BY CONTROLLING AGENCY: (CXCY) 3M FLUORINERT FC-3283 HEAT TRANSFER FLUID
QUANTITY WITHIN EACH UNIT PACKAGE: (AKKF) 20.00 KILOGRAMS
SPECIAL FEATURES: (FEAT) PHYSICAL FORM: LIQUID; COLORLESS; ODORLESS; BOILING POINT: 128.00 DEG. C.; EVAPORATION RATE: <1.00; VAPOR PRESSURE: 14.00 MMHG; VAPOR DENSITY: 18.00; DENSITY: 1.80 G/ML; SOLUBILITY: NIL; VISCOSITY: 0.70 CENTISTOKE; PERCENT VOLATILE: 100.00%; HAZARDOUS POLYMERIZATION WILL NOT OCCUR; AVOID HEAT; INCOMPATIBLE MATERIALS: FINELY DIVIDED ACTIVE METALS, ALKALINE AND ALKALINE EARTH METALS; HAZARDOUS DECOMPOSITION PRODUCTS: HYDROGEN FLUORIDE AND PERFLUOROISOBUTYLENE;