Manufacturer Part Number: Z9205U|Washer Type|StandardMaterial|SteelMaterial Grade|Screw Size|5/8 inThread Size|Inside Diameter (Inch)|21/32Inside Diameter (Decimal Inch)|0.6563Inside Diameter (mm)|Outside Diameter (mm)|Outside Diameter (Inch)|1-7/16Outside Diameter (Decimal Inch - 4 Decimals)|1.4375Thickness (mm)|Thickness (Inch)|3/16Thickness (Decimal Inch - 4 Decimals)|0.1875Standards|Finish Coating|Black OxideFastener Standard|Military Specification|System Of Measurement|InchAdditional Information|Product Service Code|UNSPSC Code|31161807