AeroShell Fluid 5M-A is a medium viscosity mineral lubricating oil formulated with extreme pressure additives for helicopter transmissions and high-load aviation gear systems.
Mineral oil lubricant for helicopter and aviation gear systems
Medium viscosity mineral oil with extreme pressure and anti-corrosion additives
Designed for helicopter gearboxes and heavily loaded aviation gears
Also used in translation units, radar gearboxes, and alternator drives
Not suitable for engine lubrication
Excellent oxidation stability and wear protection
Compatible with systems requiring MIL-PRF-6086 ‘Grade Medium’ oils
Offers superior low-temperature fluidity and thermal stability
Global Product Code: 001A0052
AeroShell Fluid 5M-A is a highly refined mineral lubricating oil formulated for helicopter transmissions and other aviation gear mechanisms operating under extreme pressure. It is particularly recommended for use in translation units of contra-rotating propellers, radar gearboxes, constant speed alternator drives, and helicopter gearboxes that require MIL-PRF-6086 ‘Grade Medium’ oil. AeroShell Fluid 5M-A is not suitable for engine lubrication.
| Property | Typical Value | Method |
|---|---|---|
| Oil Type | Mineral | — |
| Colour (ASTM) | 1.5 | ASTM D1500 |
| Relative Density @15.6°C | 0.92 | — |
| Kinematic Viscosity @37.8°C | 72 mm²/s | ASTM D445 |
| Kinematic Viscosity @98.9°C | 8.7 mm²/s | ASTM D445 |
| Viscosity Index | 102 | ASTM D2270 |
| Pour Point | –39°C | ASTM D97 |
| Flash Point | 181°C | ASTM D92 |
| Total Acid Number | < 0.1 mgKOH/g | ASTM D974 |
| Copper Corrosion (3 hrs @100°C) | Passes | ASTM D130 |
| Load Wear Index | 47 kgf | ASTM D2783 |
| Precipitation Number | < 0.05 ml | ASTM D91 |
| Foaming Tendency | Passes | ASTM D892 |