Military Fluids
MIL-H-19457 D (SH)

(Hydraulic Fluid, Fire Resistant, Non-Neurotoxic)

Radco Industries, Inc.	Phosphate Ester
PO Box 305	Tertiary butylated triphenyl phosphate
LaFox, IL 60147	Supply Location: LaFox, IL USA
Telephone: (800) 854-4865 Fax: (630) 232-7968

DESCRIPTION	REQUIREMENT	TYP. RESULT	TEST METHOD
Kinematic Viscosity, Centistokes
@ 40 °C, minimum	38.5 - 45.5 cSt	40.0 cSt	ASTM-D455
@ 100 °C, minimum	4.8 cSt	4.2 cSt	ASTM-D455
Neutrality (qualitative)	Neutral	Neutral	Method 5101
Evaporation loss, max @ 100 °C	0.3	0.2	ASTM-D972
Refractive Index, Nd at 20°C	0.005	0.002	ASTM-D1218
Foaming Tendacy@24°C, max	65	50	ASTM-D892
Foam Stability, ml after 10min	Complete collapse	Complete collapse	ASTM-D892
Fire Point, °C minimum	246°C	250°C	ASTM-D92
Total acid number, max.	0.10 mg KOH/gm	0.05 mg KOH/gm	ASTM-D974
Water content, % maximum	None	None	ASTM-D95
Hydrolytic Stability
Copper weight loss, max	0.3	0.2	MIL TEST
Appearance	No corrosion	No corrosion	MIL TEST
Acid number increase, max	0.2	0.1	MIL TEST
Acidity of water layer, max	5.0	4.5	MIL TEST
Insolubles, %, max	0.5	0.2	MIL TEST

Radco’s MIL-H-19457D(SH) 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.
Radcolube® is a trademark of RADCO INDUSTRIES, INC.

MIL-H-19457D