- Aviation hydraulics
MIL-PRF-83282D
AeroShell Fluid S.8350
90 EP mineral oil for helicopter transmissions and rotor drives
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Standards & approvals
Joint Service Designation OEP-215
Extreme-pressure mineral helicopter gearbox oil
UK MOD code for an extreme-pressure mineral oil for helicopter main gearboxes.
Specifications
- Brand
- Shell
- Range
- AeroShell
- Category
- Aviation transmission fluids
- Manufacturer code
- 001A0911
- Availability
- On request
Typical characteristics
| Property | Typical value | Method |
|---|---|---|
| Oil type | Mineral | |
| Density @15°Ckg/m3 | 880 | ISO 12185 |
| Kinematic viscosity @40°Cmm2/s | 169 | ASTM D445 |
| Kinematic viscosity @100°Cmm2/s | 17.20 | ASTM D445 |
| Viscosity index | 109 | ASTM D2270 |
| Pour point°C | -31 | ASTM D97 |
| Flash point°C | 217 | ASTM D92 |
| Foaming tendency : Sequence1ml | Passes | ASTM D892 |
| Foaming tendency : Sequence2ml | Passes | ASTM D892 |
| Foaming tendency : Sequence3ml | Passes | ASTM D892 |
| Copper corrosion 1hat | 1B | ASTM D130 |
| Phosphorus content%m | 0.072 | ASTM D4951 |
Complete documentation
Manufacturer's description
Mineral lubricating oil for helicopter transmissions
Applications
- AeroShell Fluid S.8350 is used for helicopter rotor gears, drive-shafts and pitch control mechanisms and wherever high loads and slow speeds in gears require the use of a 90 EP gear oil. AeroShell Fluid S.8350 is approved for use in various Westland helicopter gearboxes. AeroShell Fluid S.8350 must not be used in engines.
Alternatives and similar products
From the AeroShell Fluid range
- Aviation hydraulics
MIL-PRF-5606K
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