Royco 782ROYCO 782 is a red - colored Super Clean,synthetic hydraulic fluid developed to meet thesevere duty demands of todays military and industrialequipment. Modern additive technology is employedfor oxidative stability, corrosion inhibition, andantiwear protection. ROYCO 782 is compatible withpetroleum-based fluids and all components used inmineral oil type hydraulic systems. Properties SpecificationsROYCO 782 meets the requirements of and isqualified to MIL-SPEC: MIL-PRF-83282D Am 1, NATOCode Number H-537.