MIL-PRF-27617G
TABLE III. Test methods.
TEST METHOD NUMBER
TEST
FED-STD-791
ASTM
Penetration
D1403
1/
Corrosion in copper
5309
High temperature performance
D3336
Evaporation
D2595
Oil separation
D6184
Resistance to fuel, fuel solubility
5414
Resistance to aqueous solutions
5415
2/
Storage stability
3467
2/
Water resistance
D1264
3/
Oxidation stability
D942
4/
Shock sensitivity with liquid oxygen
D2512
Wear preventive characteristics
D2266
Extreme pressure properties of lubricating
D2596
grease
Low temperature torque of ball bearing greases
D1478
Molybdenum disulfide analysis
3722
Dirt count
3005
Notes:
1/ Except the copper strip shall be prepared and polished in accordance with ASTM D130
method.
2/ Test temperature shall be 38°C ± 3°C (100°F ± 5°F).
3/ Test conditions shall be 100 hours at 121°C (250°F).
4/ Use perchloroethylene instead of trichlorotrifluoroethane.
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the
contract or order (see 6.2). When packaging of materiel is to be performed by DoD or in-house contractor
personnel, these personnel need to contact the responsible packaging activity to ascertain packaging
requirements. Packaging requirements are maintained by the Inventory Control Point's packaging activities
within the Military Service or Defense Agency, or within the military service's system commands.
Packaging data retrieval is available from the managing Military Department's or Defense Agency's
automated packaging files, CD-ROM products, or by contacting the responsible packaging activity.
6. NOTES
(This section contains information of a general or explanatory nature that may be helpful, but is not
mandatory.)
6.1 Intended use. The fuel resistant grease is intended for use in the lubrication of taper plug
valves, gaskets, and bearings in fuel systems of military aircraft and ground support equipment. It is also
suitable for use in the presence of liquid oxygen as a lubricant for valves, threads, and bearings in
aerospace vehicles and supporting equipment. This material may not be suitable for aluminum or
magnesium dynamic bearing lubrication because of possible ignition hazards.
7
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