# NSN 6850-01-617-9765: Heat Transfer Fluid

NSN 6850-01-617-9765 (also written 6850016179765; NIIN 01-617-9765) is a heat transfer fluid in Federal Supply Class 6850, Miscellaneous Chemical Specialties. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 6850-01-617-9765 (6850016179765)
- NIIN: 01-617-9765 (016179765)
- Item name: HEAT TRANSFER FLUID
- Federal Supply Class: [FSC 6850 Miscellaneous Chemical Specialties](https://nsnexplorer.com/fsc/6850/)
- Federal Supply Group: [FSG 68](https://nsnexplorer.com/group/68/)
- Acquisition method suffix code: AMSC B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-10-27)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| DERM | LEVEL OF DERMAL IRRITATION POTENTIAL | SLIGHT |
| HZRD | HAZARDOUS SUBSTANCES | ETHYLENE GLYCOL |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | HUBTHERM RCI |
| FEAT | SPECIAL FEATURES | FLASH POINT: 126.70; VAPOR DENSITY: >1.0; SPECIFIC GRAVITY: 1.093; FREEZING POINT: -19.40 DEG. C.; SOLUBILITY IN WATER: 100%; PH: 9.5; VISCOSITY: 4.52 CPS AT 25.00 DEG. C.; APPEARANCE: PINK LIQUID; |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2800109-DP | 94853 | HUBBARD-HALL INC. DBA HUBBARD HALL INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6647765-1 | 96214 | RAYTHEON COMPANY DBA RAYTHEON | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-09 | [SPE4AX26D9000/SPE4A726FA2TE](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6850016179765) | HEAT TRANSFER FLUID | ASRC FEDERAL FACILITIES LOGISTICS, LLC | $2,634.04 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6850016179765&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6850016179765
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/6850-01-617-9765/
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