Large O.D. Oversized Washer, Flat Washer Type Oversized, Dimensional Standards ASME B18.22.1, Material Stainless Steel, Material Grade/Class 316, Finish Plain, For Screw Size #6, Inside Diameter 0.156 in, Outside Diameter 9/16 in, Maximum Thickness 3/64 in, System of Measurement Inch, Minimum Thickness 3/64 in, Inside Diameter Tolerance +/-0.010 in, Material Quality Standards ASTM A276, Outside Diameter Tolerance +/-0.010 in, Pack Size Small Pack