Manufacturer Part Number: 42601|Washer Type|StandardMaterial|SteelMaterial Grade|1010Screw Size|1/4Thread Size|Inside Diameter (Inch)|9/32Inside Diameter (Decimal Inch)|0.2813Inside Diameter (mm)|0.28Outside Diameter (mm)|Outside Diameter (Inch)|5/8Outside Diameter (Decimal Inch - 4 Decimals)|0.6250Thickness (mm)|Thickness (Inch)|1/8Thickness (Decimal Inch - 4 Decimals)|0.1250Standards|TCMAIFinish Coating|Black OxideFastener Standard|Military Specification|System Of Measurement|InchAdditional Information|Product Service Code|UNSPSC Code|