Eni Turbo 23699
Synthetic MIL-PRF-23699 oil for aero-derivative turbines
Business customers only. We sell wholesale, invoiced to registered companies.
Standards & approvals
NATO Code O-156
NATO Code O-156 — aviation turbine oil
NATO code for an aviation gas-turbine engine oil, matching DEF STAN 91-101.
MIL-PRF-23699
MIL-PRF-23699 — aviation turbine engine oil
US military specification for synthetic aviation gas-turbine engine oils; sub-classes STD, HTS and CI differ in thermal stability and corrosion inhibition.
ISO 6743-5 TGCE
Turbine oil, class TGCE — ISO 6743-5
Gas-turbine oil class of ISO 6743-5, predecessor of ISO 8068.
DEF STAN 91-101
DEF STAN 91-101 — aviation turbine oil
The UK Defence Standard for a synthetic 5 cSt aviation gas-turbine engine oil (NATO code O-156).
Specifications
- Brand
- Eni
- Category
- Turbine oils
- Type
- Synthetic oil
- Manufacturer code
- 007720
- Availability
- On request
Typical characteristics
| Property | Typical value | Method |
|---|---|---|
| Appearance | clear | |
| Density at 20°Ckg/m³ | 993 | ASTM D 4052 |
| Viscosity at 40°Cmm²/s | 25.1 | ASTM D 445 |
| Viscosity at 100°Cmm²/s | 5.05 | ASTM D 445 |
| Flash point COC°C | 264 | ASTM D 92 |
| Pour point°C | -63 | ASTM D 97 |
| TANmgKOH/g | 0.17 | ASTM D 664 |
Complete documentation

Manufacturer's description
Eni Turbo 23699 is a high performance lubricant for aero-derivative turbines used in industrial and marine service, in applications that must meet the MIL-PRF-23699-STD performance requirements. It is formulated with a synthetic base oil and additives that deliver excellent thermal and oxidation stability together with superior anti-wear properties. Eni Turbo 23699 is recommended for lubricating the aero-derivative gas turbines used in industrial and marine service built by makers including Allison, Avco-Lycoming, General Electric, Pratt & Whitney, Turbo Power & Marine and Rolls-Royce.
Applications
- High-performance lubricant for aircraft gas turbine engines, used in industrial and marine applications requiring MIL-PRF-23699-STD level performance.
- Formulated with synthetic base stocks and additives ensuring excellent thermal and oxidative stability and outstanding antiwear properties.
- Suitable for the lubrication of industrial and marine aero-derived gas turbines from manufacturers including Siemens, Allison, Avco-Lycoming, General Electric, Pratt & Whitney, Turbo Power & Marine and Rolls-Royce.
Performance & benefits
- Reduces the formation of carbon and sludge deposits thanks to outstanding thermal and oxidation stability.
- Ensures a long service life for bearings and gears thanks to good antiwear properties.
- Ensures compatibility with other synthetic gas-turbine lubricants meeting MIL-PRF-23699.
- Eases start-up in low ambient-temperature conditions thanks to a very low pour point.
Fits
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