Manufacturer Part Number: KP60811|Washer Type|StandardMaterial|CopperMaterial Grade|Screw Size|3/8Thread Size|Inside Diameter (Inch)|Inside Diameter (Decimal Inch)|0.3950Inside Diameter (mm)|Outside Diameter (mm)|Outside Diameter (Inch)|1Outside Diameter (Decimal Inch - 4 Decimals)|1.0000Thickness (mm)|Thickness (Inch)|Thickness (Decimal Inch - 4 Decimals)|0.0640Standards|Finish Coating|PlainFastener Standard|Military Specification|System Of Measurement|InchAdditional Information|Product Service Code|UNSPSC Code|