# NSN 6850-01-648-3768: Heat Transfer Fluid

NSN 6850-01-648-3768 (also written 6850016483768; NIIN 01-648-3768) is a heat transfer fluid in Federal Supply Class 6850, Miscellaneous Chemical Specialties. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 6850-01-648-3768 (6850016483768)
- NIIN: 01-648-3768 (016483768)
- 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 Z: a commercial, nondevelopmental or off-the-shelf item. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AKKF | QUANTITY WITHIN EACH UNIT PACKAGE | SINGLE GALLONS 5.00 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | INTERCOOL NFE-50 HEAT TRANSFER FLUID |
| DERM | LEVEL OF DERMAL IRRITATION POTENTIAL | MODERATE |
| FEAT | SPECIAL FEATURES | SPECIFIC GRAVITY: 8.88 LB/GAL; PHYSICAL STATE: LIQUID; COLOR: CLEAR YELLOW; PH: 8.00-9.50; MELTING POINT: -36 DEGREES FAHRENHEIT; FREEZING POINT: -36 DEGREES FAHRENHEIT; BOILING POINT: 225 DEGREES FAHRENHEIT; EVAPORATION RATE: <1.00; VAPOR PRESSURE: < 15.00 MM KG; VAPRO DENSITY: > 1.80; RELATIVE DENSITY: 1.0656; SOLUBLE IN WATER |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 24370 | 1L8M0 | INTERSTATE CHEMICAL CO INC DIV INTERSTATE CHEMICAL COMPANY INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6850016483768&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6850016483768
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

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