Manufacturer Part Number: R-31420-5/8|Washer Type|StructuralMaterial|SteelMaterial Grade|F436Screw Size|5/8 inThread Size|Inside Diameter (Inch)|Inside Diameter (Decimal Inch)|Inside Diameter (mm)|Outside Diameter (mm)|Outside Diameter (Inch)|Outside Diameter (Decimal Inch - 4 Decimals)|Thickness (mm)|Thickness (Inch)|Thickness (Decimal Inch - 4 Decimals)|Standards|Finish Coating|PlainFastener Standard|Military Specification|System Of Measurement|InchAdditional Information|Product Service Code|UNSPSC Code|