Royco® 586L

Product Description: A low viscosity blend of highly refined mineral oils and additives that achieve strong load carrying capacity and corrosion/oxidation inhibition, all while through a wide temperature operating range. Designed for application in gear boxes and specified helicopter transmissions.

Specification: MIL – PRF– 6086 E LGRAD

NATO Specification: O-153

Joint Service Designation: OEP-30 (equivalent)

MIL-SPEC Scope: This specification covers two grades of petroleum-based lubricating oils for gears. This oil is identified by NATO Code Numbers O-153 and O-155.

Shelf Life:

  • US Military 2 Years
  • Commercial 3 Years
  • NATO 2 Years

Tariff Code: 2710.19.4000

Material: Mineral Turbine Oils
Acrylonitrile Good
Acrylonitrile-butadiene rubber (Perbunan®) Good
Butyl rubber Not Accept-able to Poor
Flurocarbon (Viton®) Very Good
Methacrylate Good
Natural rubber/latex Poor to Fair
Poly (ethylene) Good
Polyamine (Nylon) Poor to Good
Polychloroprene (Neoprene® ) Fair to Good
Polyester Good
PTFE (Teflon® ) Very Good
Polyvinyl chloride (PVC) Poor to Good
Silicone Poor to Good
Styrene-butadiene or styene-butadiene rubber (SBR) or Buna S Poor
National Stock Number Grade Amount Container
9150-00-265-9417 Grade L 1 gal. Can
9150-00-263-3490 Grade L 5 gal Can

Special Lubricant Oil, High Temperature Molybdenum Disulfide Grease, Power Transmission Hydraulic FluidHighly Refined Mineral OilSynthetic Hydrocarbon Base HydraulicFluid