Military Lubricant Fluids

MIL-H-19457D

RADCOLUBE® FR457

FIRE RESISTANT, HYDRAULIC FLUID, NON-NEUROTOXIC

RADCOLUBE FR457 is a military-specified synthetic, fire-resistant hydraulic fluid consisting of butylated phosphate esters. Designed for safe use in accumulator loaded hydraulic systems operating above 600 lbs psi, MIL-H-19457D(SH)demonstrates outstanding operational performance and fire resistance properties in both military and industrial/commercial naval applications.

ISO 9001: 2015 Certification Number

C2018-00035

National Stock Numbers Available From Radco

9150-01-113-2045             Gallon

9150-01-113-2046             5 Gallon Pail

9150-01-113-2047             55 Gallon Drum

CHARACTERISTICS
REQUIREMENT
TYPICAL RESULTS
TEST METHOD
Kinematic Viscosity,
centistokes
@ 40 °C, minimum

38.5 – 45.5 cSt

43.8 cSt

ASTM D445
@ 100 °C, maximum

4.8 cSt

5.0 cSt

ASTM D445
Neutrality

Neutral

Conforms

METHOD 5101
Evaporation Loss (%wt), maximum

0.3%

0.09%

ASTM D972
Pour Point, °C maximum

-18°C 

-18°C

ASTM D97
Acid Number, maximum

0.1

0.01

ASTM D974
Neutrality, qualitative

Neutral

Conforms

Method 5101
Water Content, %

None

None

ASTM D95
Refractive Index, Nd @ 40°C

Report

1.5509

ASTM D1218
Foaming Tendency @ 24°C mL maximum

65

10

ASTM D892
Form Stability, mL after 10 minutes, maximum

Complete collapse 

Complete collapse 

ASTM D892 
Specific Gravity

Report

1.154

ASTM D287
Precipitation

0.01

0.00

ASTM D91
Appearance

No visible corrosion

No visible corrosion

ASTM D892
Acid Number Increase maximum

0.20 mg KOH/g

0.09 mg KOH/g

ASTM D892
Acidity of Water Layer, maximum

5.0 mg KOH/g

4.0 mg KOH/g

ASTM D892
Insolubles, % maximum
0.5%
0.004%
ASTM D892

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