PartsTable TECHNICAL DATA SHEET
NSN 6850-01-684-8177Government record, cited

Coolant6850-01-684-8177

NSN 6850-01-684-8177 · NIIN 016848177 · Part number MARLOTHERM XD
Eastman Chemical Company · FSC 6850 — Miscellaneous Chemical Specialties · FSG 68 — Chemicals and Chemical Products · CAGE 74364
Government record, cited
NSN 6850-01-684-8177 — this item is cataloged by the U.S. Government under National Stock Number 6850-01-684-8177. Manufacturer of record part number: MARLOTHERM XD.
Also searched as  6850-01-684-8177 · 6850016848177 · NIIN 016848177 · 01-684-8177 · FSC 6850 Miscellaneous Chemical Specialties · CAGE 74364 · MARLOTHERM XD
Nearby stock numbers  ·
Features
  • Coolant — FSC 6850
  • Boiling Point Temp Rating: 190.0 DEG CELSIUS
  • 1 manufacturer part number on file
  • Manufacturer of record: Eastman Chemical Company
Identification
  • NSN: 6850-01-684-8177
  • NIIN: 016848177
  • FSC: 6850 — Miscellaneous Chemical Specialties
  • FSG: 68 — Chemicals and Chemical Products
  • Primary part number: MARLOTHERM XD
  • Manufacturer: Eastman Chemical Company
General Description

The Coolant, cataloged under National Stock Number 6850-01-684-8177, is classified within Federal Supply Class 6850 (Miscellaneous Chemical Specialties) of the Chemicals and Chemical Products group. The manufacturer of record is Eastman Chemical Company. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6850-01-684-8177
Primary Part NumberMARLOTHERM XD
Item NameCoolant
FSC / FSG6850 / 68 — Miscellaneous Chemical Specialties
ManufacturerEastman Chemical Company
StatusACTIVE
Boiling Point Temp Rating190.0 DEG CELSIUS
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardHazardous per DLA record (HMIC D)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
MARLOTHERM XD PRIMARY Eastman Chemical Company (USA)
No interchangeability data on file.
Other items in FSC 6850 — Miscellaneous Chemical Specialties
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6850-00-001-6461
6850-00-001-6461 · Item name not on file
6850-00-003-5139
TONER,DIRECT ELECTROSTATIC PROCE
6850-00-003-5179
6850-00-003-5179 · Item name not on file
6850-00-003-6167
6850-00-003-6167 · Item name not on file
6850-00-004-0526
CLEANING STATION,OPTICAL LENS
6850-00-005-5305
CLEANING COMPOUND,AIRCRAFT SURFA
6850-00-005-5305
CLEANING COMPOUND,AIRCRAFT SURFA
6850-00-008-7482
6850-00-008-7482 · Item name not on file

Frequently Asked Questions

What is NSN 6850-01-684-8177?

NSN 6850-01-684-8177 is a Coolant, manufactured by Eastman Chemical Company, classified under FSC 6850, Miscellaneous Chemical Specialties. Status: active.

What part numbers are listed for NSN 6850-01-684-8177?

NSN 6850-01-684-8177 has 1 manufacturer part number on file: MARLOTHERM XD (Eastman Chemical Company).

What are the specifications of MARLOTHERM XD?

Key specifications for MARLOTHERM XD: Special Features: SYNTHETIC ORGANIC HEAT TRANSFER FLUID DESIGNED FOR RELATIVELY LOW-TEMPERATURE USE IN THE LIQUID PHASE IN CLOSED UNPRESSURED HEAT TRANSFER SYSTEMS WITH FORCED CIRCULATION;LIQUID CLEAR;FLASH POINT-ABOUT 73 DEGREES CELSIUS;IGNITION TEMPATURE ABOUT 220 CELSIUS DEGC; Part Name Assigned by Controlling Agency: MARLOTHERM XD COOLANT; End Item Identification: WEAPON LOCATING RADAR; Boiling Point Temp Rating: 190.0 DEG CELSIUS. 1 specification is documented in the U.S. Government catalog.

Is NSN 6850-01-684-8177 hazardous material?

Hazardous per DLA record (HMIC D). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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