USS Washer, Flat Washer Type USS, Dimensional Standards ASME B18.21.1, Material Steel, Material Grade/Class Through Hardened, Finish Zinc Yellow, For Screw Size 9/16 in, Inside Diameter 0.625 in, Outside Diameter 1 15/32 in, Maximum Thickness 1/8 in, System of Measurement Inch, Minimum Thickness 3/32 in, Color Yellow, Inside Diameter Tolerance 0.62-0.64, Made in North America Not Made in North America, Manufacturer Location Globally Sourced, Material Quality Standards ASTM A-325