On order
AeroShell Fluid 31
Fire-resistant synthetic aircraft hydraulic fluid, −40 to +205 °C
MIL-PRF-83282D
Specifications
- Brand
- Shell
- Category
- Aviation speciality fluids
- Manufacturer code
- 001A0046
- Availability
- On order
Typical characteristics
| Property | Typical value | Limit | Method |
|---|---|---|---|
| Oil type | Mineral | ||
| Kinematic viscosity @37.8°Cmm2/s | 285 | Report | ASTM D445 |
| Kinematic viscosity @98.9°Cmm2/s | 22 | Report | ASTM D445 |
| Density @15°Ckg/m3 | 900 | ASTM D4052 | |
| Volatility% | <0.52 | 3 max | FED-STD-791 M.3480 |
| Viscosity (after elimination of volatile content)mm2/s | 105 | 90 – 110 | FED-STD-791 M.304/305 and 9101 |
| Viscosity index | 100 | 95 min | FED-STD-791 M.9111 |
| Flash point (COC)°C | 276 | 204 min | FED-STD-791 M.1103 |
| Pour point°C | -17 | -12.2 max | FED-STD-791 M.201 |
| Carbon residue%m | 0.5 | 2.0 max | FED-STD-791 M.5001 |
| Lead Corrosion @149°C | 30 | 70 max | FED-STD-791 M.5321 |
| Ash% | 0.01 | 0.015 max | FED-STD-791 M.5421 |
| Copper corrosion @100°C | Passes | 2A max | FED-STD-791 M.5325 |
| Rust protection (humidity cabinet) | Passes MIL-C-6529 | Must pass | |
| High/Low temperature stability | Passes MIL-C-6529 | Must pass | |
| HBr neutralisation | Passes MIL-C-6529 | Must pass |
Complete documentation
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Manufacturer's description
Corrosion inhibited mineral oil for aircraft engine preservation. AeroShell Fluid 2XN is a corrosion preventative concentrate from which AeroShell Fluid 2F was blended; the blending proportions are one part AeroShell Fluid 2XN to three parts AeroShell Oil 100. In general, operators should obtain supplies blended ready for use in engines, unless the use of the concentrate is specified.
Applications
- AeroShell Fluid 2XN is primarily used as an ingredient of AeroShell Fluid 2F, but can be used undiluted to provide additional protection for piston engines after run-out on AeroShell Fluid 2F, by spraying exhaust ports, rocker arms, accessories. For aircraft gas turbine engines a mixture of one part of AeroShell Fluid 2XN to three parts of AeroShell Turbine Oil 2 is required. Detailed instructions for inhibiting turbines are given in specification MIL-E-5607F. The ashless anti-corrosion additive package together with the highly refined mineral base oil protects the engine by minimising the effects of humidity and neutralising the acidic components of engine oil oxidation and, in piston engines, the combustion byproducts as well.
Standards & approvals
MIL-C-6529C
MIL-C-6529C — aircraft engine corrosion-preventive oil
The US military specification for a corrosion-preventive oil used to preserve aircraft piston engines; Type I is a specific grade within it.
NATO Code C-608
NATO Code C-608 — special aviation fluid
A NATO supply code identifying a special-purpose aviation fluid (engine preservative type).
Joint Service Designation ZX-21
Mineral preservative concentrate for piston aero-engines
Obsolete UK MOD Joint Service Designation code for a mineral engine-preservative concentrate with ashless anti-corrosion additives for piston aero-engines.Source