Hydraulic Oil, ISO Viscosity Grade Not Specified, SAE Grade Not Specified, Base Oil Petroleum, Container Size 1 qt., Lubricant NSF Rating Not Rated, Lubricant Additives Zinc, Min. Operating Temp. -50 Degrees F, Max. Operating Temp. 180 Degrees F, Viscosity Index Not Specified, Flash Point 300 Degrees F, Container Style Bottle, Color Blue, Timken OK Load Not Specified, Application Nonfoaming, antiwear formula with antifreeze additive is designed to protect high-pressure hydraulic systems.