AEROSHELL Fluid 5M-A

AeroShell Fluid 5M-A is a highly refined, medium viscosity mineral oil containing an extreme pressure additive as well as additives to provide good oxidation and corrosion protection.

Main Applications

• Aeroshell Fluid 5M-A is used for the lubrication of gears where high tooth loadings exist. AeroShell Fluid 5M-A is particularly recommended for the lubrication of translation units of contra-rotating propellers, radar gearboxes, constant speed alternator drives. AeroShell Fluid 5M-A is also used in those helicopter transmissions (gearboxes) which require use of a MIL-PRF-6086 oil.

• AeroShell Fluid 5M-A is also suitable as an extreme pressure lubricant for heavily loaded pins, bushes and gear mechanisms. AeroShell Fluid 5M-A must not be used in engines.

Specifications, Approvals & Recommendations

• Approved MIL-PRF-6086F Medium Grade (US)

• Approved DEF STAN 91-112 Grade M (British)

• NATO Code O-155

• Joint Service Designation OEP-70

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AeroShell Fluid 41

Hydraulic Fluid

AeroShell Fluid 41 is a mineral hydraulic oil manufactured to a very high level of cleanliness, and possesses
improved fluid properties. AeroShell Fluid 41 contains additives which provide excellent low temperature fluidity
as well as exceptional anti-wear, oxidation – corrosion inhibition and shear stability. In addition metal de-activators
and foam inhibitors are included in this high viscosity index fluid to enhance performance in hydraulic
applications. AeroShell Fluid 41 is capable of wide temperature range operation.
AeroShell Fluid 41 is dyed red.

Application
AeroShell Fluid 41 is intended as an hydraulic fluid in all modern aircraft applications requiring a mineral hydraulic
fluid. AeroShell Fluid 41 is particularly recommended where use of a “superclean” fluid can contribute to improvements
in component reliability, and can be used in aircraft systems operating unpressurised between –54°C to 90°C
and pressurised between –54°C to 135°C.
AeroShell Fluid 41 should be used in systems with synthetic rubber components and must not be used in
systems incorporating natural rubber.
AeroShell Fluid 41 is compatible with AeroShell Fluids 4, 31, 51, 61 and 71 and SSF/LGF.
Chlorinated solvents should not be used for cleaning hydraulic components which use AeroShell Fluid 41. The
residual solvent contaminates the hydraulic fluid and may lead to corrosion.

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AEROSHELL Fluid 31

AeroShell Fluid 31 has a specially designed base stock which imparts a relatively high flash point, excellent low temperature properties and good oxidation and thermal stability. In addition, AeroShell Fluid 31 is formulated with high technology additives to provide oxidation and corrosion resistance, antiwear, and anti-foaming protection.

Main Applications

• AeroShell Fluid 31 is recommended for use in aircraft, ordnance, and missile systems operating from –40⁰C to +205⁰C . This fluid should be considered for use in auto pilots, shock absorbers, brakes, flight control systems, hydraulic servo-controlled systems and other systems using synthetic elastomer seals. An increasing number of aircraft manufacturers now recommend use of this type of fluid in aircraft hydraulic systems in preference to mineral hydraulic oils. This move has been prompted by need to use fluids with better fire resistant properties.

• AeroShell Fluid 31 is also approved for use in the Honeywell (formerly Garrett) cooling turbine (cabin air compressors). Increasingly this type of hydraulic fluid is being adopted for use in hydraulic systems of military aircraft in place of mineral hydraulic fluids.

• AeroShell Fluid 31 is a synthetic hydrocarbon oil and should not be used in contact with incompatible seal materials.

• AeroShell Fluid 31 is compatible with AeroShell Fluids 4, 41, 51, 61 and 71 and can be used in systems designed to operate with MIL-PRF-5606, MIL-PRF-6083, MIL-PRF-87257 and MIL- PRF-46170 fluids.

• Chlorinated solvents should not be used for cleaning hydraulic components which use AeroShell Fluid 31. The residual solvent contaminates the hydraulic fluid and may lead to corrosion.

Specifications, Approvals & Recommendations

• Approved MIL-PRF-83282D (US)

• (MIL-PRF-83282D) (British)

• Equivalent to DCSEA 437/A (French)

• NATO Code H-537

• Joint Service Designation OX-19

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AEROSHELL Fluid 3

AeroShell Fluid 3 is a general purpose mineral lubricating oil recommended for general lubrication of aircraft parts that require a light oil with good low temperature characteristics and a low freezing point. It is inhibited against oxidation and corrosion. AeroShell Fluid 3 is a relatively low viscosity product with good resistance to evaporation.

Main Applications

• AeroShell Fluid 3 is recommended for general lubrication of aircraft parts that require a light oil, e.g. hinges, pivot joints, shaft joints, linkage pins and bearings, pulleys, cables, camera mechanisms, radio and radar gear and instruments. AeroShell Fluid 3 is normally applied by means of an oil can or brush.

For this reason it is also described as ‘an oilcan lubricant’.

• Operating temperature range of AeroShell Fluid 3 is -54⁰C to +121⁰C.

• For high temperature applications where no provision is made for frequent re-lubrication the synthetic oil, AeroShell Fluid 12, should be used in place of the mineral oil, AeroShell Fluid 3; however in this case care should be taken to ensure that there is no incompatibility between AeroShell Fluid 12 and seals, paints etc.

Specifications, Approvals & Recommendations

• Approved MIL-PRF-7870D (US)

• Approved DEF STAN 91-47 (British)

• NATO Code O-142

• Joint Service Designation OM-12

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AEROSHELL Fluid 12

AeroShell Fluid 12 is a low volatility synthetic ester oil used in aircraft instruments and also for the general lubrication of aircraft. It is oxidation and corrosion inhibited, and possesses good high and low temperature characteristics.

Main Applications

• AeroShell Fluid 12 is used for general aircraft lubrication as well as for aircraft gyro instrument gimbal bearings, separately lubricated high speed turbines and compressors, aircraft air cycle equipment and electronic equipment. AeroShell Fluid 12 is particularly suitable for use when an oil with a low evaporation rate is required at high and low temperatures.
• AeroShell Fluid 12 is a synthetic oil and it should not be used in contact with incompatible seal materials such as neoprene or natural rubber. Suitable seal materials include Fluorocarbon (Viton). AeroShell Fluid 12 may also affect certain paints and plastics. It is recommended that components are evaluated for compatibility if there is any question.

Specifications, Approvals & Recommendations

• COMAC Approved to QPL-CMS-OL-204
• Approved MIL-PRF-6085D (US)
• Equivalent DEF STAN 91-49 (British)
• Approved AIR 3511/A (French)
• NATO Code O-147
• Joint Service Designation OX-14
• For a full listing of equipment approvals and recommendations.

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AEROSHELL Fluid 1

AeroShell Fluid 1 is a light lubricating mineral oil containing, by specification, less than 0.10% mass stearic acid.

Main Applications

• For use as a lubricant where a light anti-freezing oil is required, e.g. On aircraft instruments, gun mounting buffers, hydraulic couplings, controls, door hinges, etc. Also used as a preservative oil for Stromberg carburettors and some fuel systems.

• AeroShell Turbine Oil 3 can be used as an alternative to AeroShell Fluid 1, but AeroShell Fluid 1 must never be used as an alternative to AeroShell Turbine Oil 3.

Specifications, Approvals & Recommendations

• Approved DEF STAN 91-44 (British)

• Equivalent to AIR 3515/B (French)

• NATO Code O-134

• Joint Service Designation OM-13

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