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Royco® 586M is a high-temperature load-carrying oil that meets MIL-PRF-6086 Grade M specifications. It is commonly used in aircraft and helicopter gearboxes.
Royco® 586M is a blend of highly refined mineral oils and additives that achieve excellent load-carrying capacity and corrosion and oxidation inhibition. Royco® 586M boasts a higher viscosity and load-carrying capacity than Royco® 586L lubricating oil, making it ideal for protecting gears and equipment surfaces under heavy-loaded operation.
Product type: Gear oil
Kinematic viscosity, cSt:
(@ 37.8°C): 73.9
(@ 98.9°C): 9.18
Pour point, (°C): 12.2
Flash point, (°F): 544
Density (lb/gal): 7.587
Primary Chemistry: Mineral Oil
Exceptional high load-carrying ability
Antifoaming performance
High viscosity index
Broad operating temperature range
Poor foaming control in gear oil lubricant
Inferior lubricating film protection at high pressures Inferior-grade gear oil leading to equipment damage or failure
Royco® 586M is designed for application in gearboxes and specified helicopter transmissions.
MIL-SPEC approved: MIL-PRF-6086 Grade M
This oil is identified by NATO code numbers O-153 and O-155.
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