Military Fluids
Radcolube® RHP5606
MIL-PRF-5606H

(Hydraulic Fluid, Petroleum Base, Aircraft, Missile, and Ordnance)

DESCRIPTION	REQUIREMENT	TYP. RESULT	TEST METHOD
Kinematic Viscosity, Centistokes
@ 40 °C, minimum	13.2 cSt	15.5 cSt	ASTMD455-06
@ 100 °C, minimum	4.90 cSt	5.6 cSt	ASTMD455-06
@ -40 °C, maximum	600 cSt	525 cSt	ASTMD455-06
@ -54°C, maximum	2500 cSt	2305 cSt	ASTMD455-06
Flash Point, °C, minimum	82°C	86 °C	ASTM D93-08
Neutralization Number, maximum	0.20 mg KOH/gm	0.07 mg KOH/gm	ASTM D664-07
Pour Point, °C maximum	-60°C	< -65°C	ASTM D5949-08
Water Content	< 100 ppm	56 ppm	ASTM D6304-07
Solid Particle Contamination per 100 ml, microns
5 to 15	10,000 max	3,560	FED-STD-791D 3012
16 to 25	1,000 max	420	FED-STD-791D 3012
26 to 50	150 max	120	FED-STD-791D 3012
51 to 100	20 max	0	FED-STD-791D 3012
+ 100	5 max	0	FED-STD-791D 3012

Radcolube® RHP5606 is a petroleum-based, non-synthetic hydraulic fluid. The fluid is used in a variety of hydraulic systems requiring an operational fluid in the -54°C to 135°C temperature range. Radcolube® RHP5606 offers excellent hydraulic properties, oxidative stability, and anti-wear protection in both military and industrial/commercial applications. NOTE: THIS FLUID IS INACTIVE FOR NEW MILITARY DESIGN AFTER 29 MAR 1996.
Radcolube® is a trademark of RADCO INDUSTRIES, INC.

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