PROPERTIES

MIL-G-25013E

TYPICAL

Oil type

–

Silicone

Thickener type

_

Teflon

Base oil viscosity

mm² ⁄s

@ 40°C

–

55

@ 100°C

–

14.0

Useful operating temperature

–73 to

range

°C

–

+232

Drop point

°C

230 min

260+

Worked penetration @ 25°C

260 to 320

280

Bomb oxidation pressure drop

@ 100 hrs

kPa

35.0

2

Low temperature torque @ –73°C

Starting – Nm

0.35 max

0.32

Running – Nm

0.05 max

0.035

Oil separation @ 232°C,

30 hrs

% m

7.5 max

3.0

Water resistance test loss

@ 40°C

% m

20 max

3.1

Evaporation loss 22 hrs

@ 205°C

% m

4.0 max

2.7

High temperature bearing

performance @ 232°C

hrs

500 min

518+

Colour

–

Off white

U.S.

Approved MIL-G-25013E

British

Approved DEF STAN 91-55 (Obsolete)

French

–

Russian

Analogue of VNII NP 235

NATO Code

G-372

Joint Service Designation

XG-300