SAE Washer, Flat Washer Type SAE, Dimensional Standards ASME B18.21.1, Material Stainless Steel, Material Grade/Class 316 H5, Finish Plain, For Screw Size 3/8 in, Inside Diameter 0.406 in, Outside Diameter 13/16 in, Maximum Thickness 5/64 in, System of Measurement Inch, Minimum Thickness 3/64 in, Color Silver, Inside Diameter Tolerance +/-0.010 in, Material Quality Standards ASTM A276, Outside Diameter Tolerance +/-0.010 in, Pack Size Small Pack