PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FC-40Heat Transfer Fluid

3m Company Dba 3m Div Specialty Materials Division · NSN 6850-01-529-0692 · FSC 6850 · No Item Name Available
Verified by PartsTable
NSN 6850-01-529-0692 — this item is cataloged by the U.S. Government under National Stock Number 6850-01-529-0692. Primary manufacturer part number: FC-40.
Features
  • Heat Transfer Fluid — FSC 6850
  • 2 verified cross-references
  • Primary manufacturer: 3m Company Dba 3m Div Specialty Materials Division
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heat Transfer Fluid, cataloged under National Stock Number 6850-01-529-0692, is classified within Federal Supply Class 6850 (No Item Name Available) of the Chemicals and Chemical Products group. The primary manufacturer of record is 3m Company Dba 3m Div Specialty Materials Division. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6850-01-529-0692
Primary Part NumberFC-40
Item NameHeat Transfer Fluid
FSC / FSG6850 / 68 — No Item Name Available
Manufacturer3m Company Dba 3m Div Specialty Materials Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5120-00-293-2567 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
7530-00-344-3655 INTERCHANGEABLE
Chart,recording Instrument
6850-01-194-6614 INTERCHANGEABLE
Heat Transfer Fluid
6625-01-381-8836FC-40 INTERCHANGEABLE
Indicator,digital Display
Analogic Corp Data Conversion Products Div
6850-01-529-06967100099992 INTERCHANGEABLE
Heat Transfer Fluid
3m Company
Cross-Reference Index
Part NumberManufacturer
FC-40 3m Company Dba 3m Div Specialty Materials Division (USA)
FC-40 3m Company (USA)
Related Parts
5120-00-293-2567INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
7530-00-344-3655INTERCHANGEABLE
CHART,RECORDING INSTRUMENT
6850-01-194-6614INTERCHANGEABLE
HEAT TRANSFER FLUID
6625-01-381-8836INTERCHANGEABLE
INDICATOR,DIGITAL DISPLAY
FC-40
6850-01-529-0696INTERCHANGEABLE
HEAT TRANSFER FLUID
7100099992

Frequently Asked Questions

What is NSN 6850-01-529-0692?

NSN 6850-01-529-0692 is a Heat Transfer Fluid, manufactured by 3m Company Dba 3m Div Specialty Materials Division, classified under FSC 6850 (No Item Name Available). Status: active.

What are the part numbers for NSN 6850-01-529-0692?

NSN 6850-01-529-0692 has 2 cross-referenced part numbers: FC-40 (3m Company Dba 3m Div Specialty Materials Division), FC-40 (3m Company).

What NSN replaces 6850-01-529-0692?

There are 5 known substitutes for 6850-01-529-0692: 5120-00-293-2567, 7530-00-344-3655, 6850-01-194-6614 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FC-40?

Key specifications for FC-40: Special Features: 11LB (.75 GALLON) CONTAINER LBS. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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