ROYCO 363 is a highly refined mineral oil based lubricant formulated with modern additives to provide oxidation and corrosion protection, low temperature fluidity, rust inhibition, and good resistance to evaporation.
ROYCO 363 is recommended for the general-purpose lubrication of instrument and airframe components including
bearings, actuators, hinges and latches on both military and civilian aircraft. It is suitable for use over
the temperature range from -65oF to 250oF.
ROYCO 363 meets all requirements of and is qualified to MILSPEC: MIL-PRF-7870C.