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HomeShop SuppliesOilGear OilAeroShell™ Fluid 5M-A Pale Yellow Gear Box Oil - 5 Gallon Pail
AeroShell™ Fluid 5M-A Pale Yellow Gear Box Oil - 5 Gallon Pail
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AeroShell™ Fluid 5M-A Pale Yellow Gear Box Oil - 5 Gallon Pail

Part#: 550043585
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(SDS) Safety Data Sheet Information
(SDS) Safety Data Sheet: MSDS1
CA Prop 65 WarningWarning: This product may contain a chemical known by the State of California to cause health issues. Details found here
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.


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.


  • U.S. - Approved MIL-PRF-6086E Medium Grade
  • British - Approved DEF STAN 91-112 Grade M
  • French - Equivalent to DCSEA 255/A
  • Russian - N/A
  • NATO Code - O-155
  • Joint Service Designation - OEP-70
    Product Details
    UOM : Each
    Pack Quantity : 1
    Size : 5 Gallon
    Color Family : Yellow
    Shipping Weight : 49 pounds
    Manufacturer P/N : 550043585
    ECCN : EAR99
    Military Standard : MIL-PRF-6086E
    Alt. P/Ns : 001A0052
    Disclaimer: While reasonable efforts have been made to ensure all information on this website is accurate, and Styles Logistics, Inc. do not assume responsibility for any errors or omissions. All specifications, illustrations, data and prices are subject to change without notice.
    Oil typeN/AMineral
    Kinematic viscosity mm2/s
    @ 37.8°C
    @ 98.9°C

    60 to 82

    Cleveland Open Cup °C

    154.5 min

    Viscosity Index80 min100
    Pourpoint °C-29 maxBelow -29
    Total Acid Number mgKOH/g1.0 max0.1
    Relative Density @ 15.6/15.6°CN/A0.92
    Load Wear Index kg40 min50
    Color ASTM8 max<3
    Foaming, sequence I, II, IIIMust passPasses
    Copper corrosion 3 hrs @ 100°CMust passPasses
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