Aeroshell 3AeroShell Turbine Oil 3 is an analogue to the Russian Grade MK-8 and can therefore be used in engines which require the use of MK-8. It is also used as the mineral turbine oil component in the mixture of mineral turbine oil and piston engine oil used in Russian turbo- prop engines.PropertiesSpecifications:U.S. -British Meets DEF STAN 91-99French Equivalent to AIR 3515/BRussian Analogue to MK-8NATO Code O-135Joint Service Designation OM-11