ROYCO 64 ROYCO 64 is a lithium thickened grease formulatedwith molybdenum disulfide and a thermally stableester based synthetic oil. Modem additives are utilizedto provide high load carrying, rust and oxidationprotection, EP performance, and shear stability. Microfine particles of Moly adhere and penetrate metalsurfaces thereby providing lubrication and anti-seizeprotection even when the oil component is removedor there is a possibility of inadequate lubrication due tomechanical spread out of the lubricant.PROPERTIESSPECIFICATIONSROYCO 64 meets all requirements and is qualifiedagainst the latest revision level of MIL-SPEC: MIL-DTL23549D Notice 1, which supersedes MIL-G-23549C.