Manufacturer Part Number: 500119|Washer Type|SAEMaterial|Carbon SteelMaterial Grade|8Screw Size|5/8 inThread Size|Inside Diameter (Inch)|21/32Inside Diameter (Decimal Inch)|0.6460Inside Diameter (mm)|Outside Diameter (mm)|Outside Diameter (Inch)|Outside Diameter (Decimal Inch - 4 Decimals)|1.3120Thickness (mm)|Thickness (Inch)|9/64Thickness (Decimal Inch - 4 Decimals)|0.1400Standards|Finish Coating|Yellow Zinc ChromateFastener Standard|ASTM F436Military Specification|System Of Measurement|InchAdditional Information|Product Service Code|UNSPSC Code|31161807