Flat Washer, Flat Washer Type Standard, Dimensional Standards ASTM F844, Material Stainless Steel, Material Grade/Class 18-8, Finish NL-19, For Screw Size 3/8 in, Inside Diameter 0.391 in, Outside Diameter 7/8 in, Maximum Thickness 0.05 in, System of Measurement Inch, Minimum Thickness 0.05 in, Color Silver, Material Quality Standards Not Applicable, Pack Size Small Pack, Resistance Properties Corrosion-Resistant, Rockwell Hardness B70, Thickness Tolerance +/- 0.005 in, Package Quantity 100. This item has been restricted from sale in the following state (s): []