DEF STAN 91-112

The UK Defence Standard for aviation mineral gear oils. Grade M is the medium grade.

Also written as: DEF STAN 91-112 Grade M

Name
DEF STAN 91-112 — aviation mineral gear oil
Category
Gear and axle oil

Products covered by this standard

Shell

one product
Shell Aviation transmission fluids
  • AeroShell Fluid 5M-A

    Extreme-pressure mineral oil for helicopter transmissions and loaded gears

    • Helicopter gearboxes

    NATO Code O-155

UK MOD (DStan) standards

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