Aeroshell Piston Engine Oils
Straight Grades 65, 80, 100 and 120
AeroShell straight mineral oils are blended from selected high viscosity index base stocks. These oils do not contain additives except for a small quantity of pourpoint depressant (which is added when improved fluidity at very low temperature is required) and an anti-oxidant.
Applications
The suffix for each grade corresponds to the viscosity of the oil at 210°F in Saybolt Universal Seconds.
The appropriate grades of these AeroShell Oils are approved for use in four-stroke cycle certified aircraft reciprocating piston engines (except Porsche) and other aircraft radial engines which use oil to specification SAE J-1966 (MIL-L-6082) and which do not require use of an oil containing a dispersant additive. AeroShell Oils are used primarily during break-in of most new or recently overhauled four-stroke cycle aviation piston engines. The duration and lubrication recommendations for break-in vary, so operators should refer to the original engine manufacturer and/or overhaul facility for specific recommendations.
AeroShell Oils are available in four different viscosity grades:
Specifications
The U.S. Specification SAE J-1966 replaces MIL-L-6082E. Although it was planned to replace the British Specification DERD 2472 with a DEF STAN specification this has now been put into abeyance and instead the SAE specification has been adopted.
| AEROSHELL OIL |
80 |
100 |
| U.S. |
Approved J-1966 SAE Grade 40 |
Approved J-1966 SAE Grade 50 |
| British |
Approved J-1966 SAE Grade 40 |
Approved J-1966 SAE Grade 50 |
| French |
(AIR 3560/D (AIR 3560/D Grade SAE 30) Grade SAE 40) |
(AIR 3560/D — Grade SAE 50) |
| Russian |
MS-14 |
MS-20 |
| NATO Code |
- |
O-117 Obsolete |
| Joint Service Designation |
OM-170 |
OM-270 OM-370 Obsolete Designation |
( ) indicates the product is equivalent to specification.
Typical Properties
| Grade |
80 |
100 |
| SAE viscosity grade |
40 |
50 |
| Colour ASTM |
5.0 |
5.0 |
| Density @ 15°C kg/l 0.887 0.892 0.896 0.898 |
0.892 |
0.896 |
Kinematic viscosity mm2/s @ 100°C
Kinematic viscosity mm2/s @ 40°C |
14.6
150 |
19.7
230 |
| Viscosity Index |
Above 94 |
Above 94 |
| Pourpoint °C |
Below –17 |
Below –17 |
| Flashpoint Cleveland Open Cup °C |
Above 240 |
Above 250 |
| Carbon residue % m |
0.3 |
0.4 |
| Total acidity mgKOH/g |
<0.1 |
<0.1 |
| Sulphur % m |
0.13 |
0.13 |
| Copper corrosion @ 100°C |
1 |
1 |
| Ash content % m |
0.006 |
0.006 |
These products are made in more than one location and the approval status and typical properties may vary between locations.
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