Home Fluids & Lubricants GreaseAeroshell 14 Leading Multipurpose Helicopter Grease - MIL-G-25537C

Aeroshell 14 Leading Multipurpose Helicopter Grease - MIL-G-25537C

Description
Approvals

AeroShell Grease 14 is a helicopter multi-purpose grease composed of a mineral oil thickened with a calcium soap, possessing outstanding anti-fret and anti-moisture corrosion properties. It is oxidation and corrosion inhibited. The useful operating temperature range is �54°C to +93°C.

AeroShell Grease 14 is the leading helicopter multi-purpose grease and is approved by all helicopter manufacturers. Owing to its anti-fret properties, AeroShell Grease 14 is particularly suitable for the lubrication of helicopter main and tail rotor bearings, splines, etc.

U.S.: Approved MIL-G-25537C

British: Approved DEF STAN 91-51

French: N/A

Russian: N/A

NATO Code: G-366

Joint Service Designation: XG-284

Specifications

Oil type: Mineral

Thickener type: Calcium Soap

Base oil viscosity mm2/s

@ 40�C: 12.5

@ 100�C: 3.1

Useful operating temperature range �C: �54 to +93

Drop point �C: 148

Worked penetration @ 25�C: 273

Unworked penetration @ 25�C: 269

Bomb oxidation pressure drop @ 99�C

100 hrs MPa (psi): 0.0207

400 hrs MPa (psi): 0.0689

Oil separation @ 100�C in 30 hrs % m: 1.5

Water resistance test loss % m: 7.2

Evaporation loss in 22 hrs @ 100�C % m: 5.6

Anti-friction bearing performance @ 93�C: 1700+

Copper corrosion 24 hr @ 100�C: Passes

Bearing protection 2 days @ 52�C: Passes

Color: Tan

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Aeroshell 14 Leading Multipurpose Helicopter Grease - MIL-G-25537C

Specifications

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