Manufacturer Part Number: Z9189-BEV-H|Washer Type|Beveled RoundMaterial|Case-Hardened SteelMaterial Grade|12L14Screw Size|1Thread Size|Inside Diameter (Inch)|1-1/32Inside Diameter (Decimal Inch)|1.0313Inside Diameter (mm)|Outside Diameter (mm)|Outside Diameter (Inch)|2Outside Diameter (Decimal Inch - 4 Decimals)|2.0000Thickness (mm)|Thickness (Inch)|5/16Thickness (Decimal Inch - 4 Decimals)|0.3125Standards|Finish Coating|PlainFastener Standard|Military Specification|System Of Measurement|InchAdditional Information|Product Service Code|UNSPSC Code|31161807