Manufacturer Part Number: 31903|Washer Type|StandardMaterial|SteelMaterial Grade|1010Screw Size|5/16Thread Size|Inside Diameter (Inch)|11/32Inside Diameter (Decimal Inch)|Inside Diameter (mm)|Outside Diameter (mm)|Outside Diameter (Inch)|3/4Outside Diameter (Decimal Inch - 4 Decimals)|Thickness (mm)|Thickness (Inch)|1/8Thickness (Decimal Inch - 4 Decimals)|Standards|Finish Coating|PlainFastener Standard|Military Specification|System Of Measurement|InchAdditional Information|Product Service Code|UNSPSC Code|