Manufacturer Part Number: Z9205SS|Washer Type|Extra ThickMaterial|Stainless SteelMaterial Grade|18-8Screw Size|5/8Thread Size|Inside Diameter (Inch)|21/32Inside Diameter (Decimal Inch)|0.6563Inside Diameter (mm)|Outside Diameter (mm)|Outside Diameter (Inch)|1-3/8Outside Diameter (Decimal Inch - 4 Decimals)|1.3750Thickness (mm)|Thickness (Inch)|3/16Thickness (Decimal Inch - 4 Decimals)|0.1875Standards|Finish Coating|PlainFastener Standard|Military Specification|System Of Measurement|InchAdditional Information|Product Service Code|UNSPSC Code|