Military Fluids
Sales and Engineering:
mdamiani@radcolube.com
skotsios@radcolube.com

Military Fluids
Radcolube® 21260-10
MIL-PRF-21260 E
Download MSDS *Back to Military Fluids

(Lubricating Oil, Internal Combustion Engine, Preservative Break-In)

DESCRIPTION	REQUIREMENT	TYP. RESULT	TEST METHOD
Kinematic Viscosity, Centistokes
@ 40 °C, minimum	6.7 cSt	7.0 cSt	ASTM-D455
@ 100 °C, minimum	2.0 cSt	2.2 cSt	ASTM-D455
@ -40 °C, maximum	550 cSt	460 cSt	ASTM-D455
Evaporation loss, max 135°C 6.5 hours	20 wt %	10 wt%	FED-STD-791C Method 350
Specific Gravity, 15.6°C	0.8427 +/- 0.008	0.84	ASTM-D1298
Pour Point, °C, max	-60°C	<-65°C	ASTM-D97
Flash Point, °C minimum	170°C	175°C	ASTM-D92
Fire Point, °C minimum	180°C	190°C	ASTM-D92
Total acid number, max.	0.20 mg KOH/gm	<0.1 mg KOH/gm	ASTM-D974
Water content, ppm	<100 ppm	40	ASTM-D1744
Particulate Contam. Size
5 to 15	< 10,000 max	1200	ASTM-F312
16 to 25	1,000 max	50	ASTM-F312
26 to 50	150 max	10	ASTM-F312
51-100	20 max	0	ASTM-F312
>100	5 max	0	ASTM-F312

Radco Industries, Inc.
39W930 Midan Drive - PO Box 305
LaFox, IL 60147
Worldwide - 630.232.7966
US - 800.854.4865
Fax - 630.232.7968
Email