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Approvals and Conformities
MIL-SPEC#
MIL-PRF-6086 Grade M
Alternate PN#s
4055885
Product Attributes
![](/content/flags/flag-of-united-states.png)
United States
Size
5 Gallon
Shipping Weight
48 pounds
ECCN
EAR99
Color Family
Yellow
Manufacturer P/N
ROYCO 586M
Schedule B Code
2710.19.3080
Pack Quantity
1
Ship Dimensions
11 x 11 x 14 inches
Size
5 Gallon Pail
Color
Yellow
ROYCO® 586M Mineral-Based Gear Lubricating Oil from SkyGeek delivers an excellent load-carrying capacity and built-in corrosion/oxidation inhibition to prolong the service life of your aircraft’s most critical components. The high viscosity of the lubricating oil and carrying capacity make ROYCO® 586M Mineral-Based Gear Lubricating Oil stand out from all the rest. Use the lubricating oil in gearboxes and specified helicopter transmissions for exceptional performance and reliable lubrication. ROYCO® 586M Mineral-Based Gear Lubricating Oil is a high-temperature load-carrying lubricant that meets MIL-L6086 specifications. The gear lubricating oil is sold in a convenient five-gallon pail and can be stored at room temperature without losing its lubricating properties. The oil is made in the United States for exceptional quality and typically has a slight yellow color for enhanced visibility. Order a single five-gallon pail or buy in bulk and save when you take advantage of SkyGeek’s volume pricing. A manufacturer’s certification may be added to any order for an additional charge.
Features
- Outstanding Extreme Pressure Characteristics
- Rust, oxidation and corrosion inhibition
- High Viscosity Index
- Protects gears in a wide temperature range even in light-to-medium gear trains or gear boxes that operate in low-to-medium speeds down to -40°C. Viscosity at 37.8°C/100°F (cSt): 73.9
- Kinematic Viscosity at 98.9°C/210°F (cSt): 9.18
- Viscosity Index: 111
- Flash Point (°C): 187
- Acid Number (mq KOH/g): .06
- Load Wear Index (kg): 52.2
- Foam Resistance Sequence I (mL initial/final): 1/0
- Foam Resistance Sequence II (mL initial/final): 13/0
- Foam Resistance Sequence III (mL initial/final): 1/0
- Gravity (API): 23.2
- Density (lbs/gal): 7.587
- Precipitation Number: .00
- Copper Corrosion (100°C, 3 Hrs): 1B
- ASTM Color: 1.8
- Pour Point (°C): -38