PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILF27351Calibrating Fluid,aircraft Fuel

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6850-00-754-2670 · FSC 6850 · No Item Name Available
Verified by PartsTable
NSN 6850-00-754-2670 — this item is cataloged by the U.S. Government under National Stock Number 6850-00-754-2670. Primary manufacturer part number: MILF27351.
Features
  • Calibrating Fluid,aircraft Fuel — FSC 6850
  • Maximum Viscosity at Rated Temp: 2.57 CENTISTOKES AT 100 DEG F DEGF
  • Quantity Within Each Unit Package: 54.0 GALLONS
  • Minimum Viscosity at Rated Temp: 2.37 CENTISTOKES AT 100 DEG F DEGF
  • Maximum Saybolt Chromometer Color Number: PLUS 25
  • Nondefinitive Spec/std Data: III TYPE
  • Aniline Point Minimum Temp: 190.0 DEG FAHRENHEIT
  • Specific Gravity at Specified Temp: 0.780 PORM 0.005 SP GR AT 60 TO 60 DEG F MAX DEGF
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Calibrating Fluid,aircraft Fuel, cataloged under National Stock Number 6850-00-754-2670, is classified within Federal Supply Class 6850 (No Item Name Available) of the Chemicals and Chemical Products group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6850-00-754-2670
Primary Part NumberMILF27351
Item NameCalibrating Fluid,aircraft Fuel
FSC / FSG6850 / 68 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Maximum Viscosity at Rated Temp2.57 CENTISTOKES AT 100 DEG F DEGF
Quantity Within Each Unit Package54.0 GALLONS
Minimum Viscosity at Rated Temp2.37 CENTISTOKES AT 100 DEG F DEGF
Maximum Saybolt Chromometer Color NumberPLUS 25
Nondefinitive Spec/std DataIII TYPE
Aniline Point Minimum Temp190.0 DEG FAHRENHEIT
Specific Gravity at Specified Temp0.780 PORM 0.005 SP GR AT 60 TO 60 DEG F MAX DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6850-00-264-5771 INTERCHANGEABLE
Calibrating Fluid,aircraft Fuel
6850-00-269-8388 INTERCHANGEABLE
Calibrating Fluid,aircraft Fuel
6850-00-656-0810 INTERCHANGEABLE
Calibrating Fluid,aircraft Fuel
6850-01-011-5669 INTERCHANGEABLE
Calibrating Fluid,aircraft Fuel
6850-01-146-9699 INTERCHANGEABLE
Calibrating Fluid,aircraft Fuel
5930-01-718-7300LD170 INTERCHANGEABLE
Switch,thermostatic
W.w. Grainger, Inc. Div Government Sales Division
Cross-Reference Index
Part NumberManufacturer
MILF27351 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
LD170 Phillips Petroleum Co (USA)
MIL-C-7024 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-7024 TYPE III Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-7024 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6850-00-264-5771INTERCHANGEABLE
CALIBRATING FLUID,AIRCRAFT FUEL
6850-00-269-8388INTERCHANGEABLE
CALIBRATING FLUID,AIRCRAFT FUEL
6850-00-656-0810INTERCHANGEABLE
CALIBRATING FLUID,AIRCRAFT FUEL
6850-01-011-5669INTERCHANGEABLE
CALIBRATING FLUID,AIRCRAFT FUEL
6850-01-146-9699INTERCHANGEABLE
CALIBRATING FLUID,AIRCRAFT FUEL
5930-01-718-7300INTERCHANGEABLE
SWITCH,THERMOSTATIC
LD170

Frequently Asked Questions

What is NSN 6850-00-754-2670?

NSN 6850-00-754-2670 is a Calibrating Fluid,aircraft Fuel, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6850 (No Item Name Available). Status: active.

What are the part numbers for NSN 6850-00-754-2670?

NSN 6850-00-754-2670 has 5 cross-referenced part numbers: MILF27351 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), LD170 (Phillips Petroleum Co), MIL-C-7024 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-7024 TYPE III (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-7024 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6850-00-754-2670?

There are 6 known substitutes for 6850-00-754-2670: 6850-00-264-5771, 6850-00-269-8388, 6850-00-656-0810 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILF27351?

Key specifications for MILF27351: Maximum Viscosity at Rated Temp: 2.57 CENTISTOKES AT 100 DEG F DEGF; Quantity Within Each Unit Package: 54.0 GALLONS; Minimum Viscosity at Rated Temp: 2.37 CENTISTOKES AT 100 DEG F DEGF; Maximum Saybolt Chromometer Color Number: PLUS 25. 7 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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