Manufacturer Part Number: BOW500121|Washer Type|SAEMaterial|SteelMaterial Grade|9Screw Size|7/8 inThread Size|Inside Diameter (Inch)|15/16Inside Diameter (Decimal Inch)|0.8960Inside Diameter (mm)|Outside Diameter (mm)|Outside Diameter (Inch)|1-3/4Outside Diameter (Decimal Inch - 4 Decimals)|1.7500Thickness (mm)|Thickness (Inch)|9/64Thickness (Decimal Inch - 4 Decimals)|0.1480Standards|Finish Coating|Bowma-GuardFastener Standard|ASTM F436Military Specification|System Of Measurement|InchAdditional Information|Product Service Code|UNSPSC Code|31161807