Manufacturer Part Number: BOW500114|Washer Type|SAEMaterial|SteelMaterial Grade|9Screw Size|5/16 inThread Size|Inside Diameter (Inch)|11/32Inside Diameter (Decimal Inch)|0.3340Inside Diameter (mm)|Outside Diameter (mm)|Outside Diameter (Inch)|11/16Outside Diameter (Decimal Inch - 4 Decimals)|0.6880Thickness (mm)|Thickness (Inch)|5/64Thickness (Decimal Inch - 4 Decimals)|0.0860Standards|Finish Coating|Bowma-GuardFastener Standard|ASTM F436Military Specification|System Of Measurement|InchAdditional Information|Product Service Code|UNSPSC Code|31161807