1620 When you are looking for a precision oil, this 4 oz Machine Oil is the one to choose. It is an ideal lubricant and protection for measuring tools. The machine oil is formulated with mineral base oils that offer excellent lubrication qualities. It has a specific gravity of 0.89 at 20 degrees C, which means it is lighter than water at room temperature. With a flash point of 400 degrees F and a maximum operating temperature of 120 degrees F, this machine oil can withstand high temperatures without breaking down or evaporating too quickly. The yellow drip bottle comes with an easy pour spout that makes application simple and clean. This 4 oz Machine Oil will give your precision measuring instruments the care they need to stay in top condition for years to come.