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Specification and Approvals
|
Property |
|
|
Autogenous-ignition temperature test, deg.C, 30 CFR 35.20 |
399 |
|
Change in Kinematic Viscosity, 72 h @ -40 C, %, ASTM D2532 |
-2.2 |
|
Elastomer Compatibility, AMS-3217/4 (72hrs @204C), % swell, FTMS 791-3604 |
20.8 |
|
Elastomer Compatibility,AMS-3217/1(72hr @70C), % swell, FTMS 791-3604 |
20 |
|
Evaporation Loss, 6.5 h, 204 C, mass%, ASTM D972(mod) |
7.4 |
|
Evaporation Loss, 6.5 hr @ 232 C, 5.5" Hg, mass %, ASTM D972(mod) |
25.2 |
|
Fire Point, °C, ASTM D92 |
288 |
|
Flash Point, Cleveland Open Cup, °C, ASTM D92 |
254 |
|
Foam, Sequence I, Tendency, ml, ASTM D892 |
0 |
|
Foam, Sequence II, Tendency, ml, ASTM D892 |
10 |
|
Foam, Sequence III, Tendency, ml, ASTM D892 |
0 |
|
Kinematic Viscosity @ 100 C, mm2/s, ASTM D445 |
5.3 |
|
Kinematic Viscosity @ 40 C, mm2/s, ASTM D445 |
26.4 |
|
Kinematic Viscosity @ -40 C, mm2/s, ASTM D445 |
11500 |
|
Pour Point, °C, ASTM D5950 |
-62 |
|
Shear Stability, %KV loss, ASTM D2603 |
0.7 |
|
Specific Gravity 60 F / 60 F, ASTM D1429 |
1.0044 |
|
Total Acid Number, mgKOH/g, ARP 5088 |
0.08 |
|
Ryder Gear Load Carrying, % vs ref., FTMS 791-6508 |
114 |
Applications
Mobil Jet Oil 254 is recommended for aircraft gas turbine engines of the turbo-jet, turbo-fan, turbo-prop, and turbo-shaft (helicopter) types used in commercial and military service. It is also suitable for aircraft-type gas turbine engines used in industrial or marine applications.Mobil Jet Oil 254 is approved against the High Thermal Stability (HTS) classification of U.S. Military Specification MIL-PRF-23699. It is also compatible with other synthetic gas turbine lubricants meeting MIL-PRF-23699. However, mixing with other products is not recommended because the blend would result in some loss of the superior performance characteristics of Mobil Jet Oil 254.Mobil Jet Oil 254 is completely compatible with all metals used in gas turbine construction, as well as with F Rubber (Viton A), H Rubber (Buna N), and other commonly used seal materials.
Mobil Jet Oil 254 has the following builder approvals *
Engines
Honeywell/Lycoming-Turbines
Rolls-Royce/Allison Engine Company
CFM International
General Electric Company
International Aero Engines
Pratt and Whitney Group
Pratt and Whitney, Canada
Rolls-Royce Limited
SNECMA
Honeywell/Garrett Turbine Engine Company
Accessories
Honeywell-Auxiliary power units and air cycle machines
Hamilton Standard-Starters
Hamilton Sundstrand Corp.-APUs, constant-speed drives and integrated-drive generators
* Specific engine or equipment approval must be verified with the builder
Please compare with your original manufacturer's oil specification which can be found in your vehicle manual. Feel free to contact us if you require any assistance!
To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your license plate or the last 7 digits of your VIN. Simply enter your car details prior to checkout.
MOBIL124431
Manufactured by
Mobil
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