Circulating Oil, ISO Viscosity Grade 320, SAE Grade 60, Base Oil Mineral, Container Size 5 gal, NSF Rating Not Rated, Lubricant Additives Zinc, Min. Operating Temp. 20 Degrees F, Max. Operating Temp. 150 Degrees C, Viscosity Index 96, Flash Point 288 Degrees C, Pour Point 10 Degrees C, Container Style Pail, Color Brown, Timken OK Load Not Specified, Standards ASTM, Application Circulation Systems for Gears and Bearings, Four-Ball Wear Not Specified, Specific Gravity 0.89