U38200.150.0001 Flat Washer, Flat Washer Type SAE, Dimensional Standards ASME B18.21.1, SAE, Material Steel, Material Grade/Class Grade 2, Finish Black Oxide, For Screw Size 1 1/2 in, Inside Diameter 1.625 in, Outside Diameter 3 in, Maximum Thickness 0.165 in, System of Measurement Inch, Minimum Thickness 0.165 in, Color Clear, Inside Diameter Tolerance 1.618-1.655, Made in North America No, Manufacturer Location Globally Sourced, Material Quality Standards Not Rated, Maximum Temperature 350 Degrees C