Manufacturer Part Number: 88548680|Washer Type|Duty Type|Screw Size|9/16 inMaterial|Alloy SteelThread Size|Inside Diameter (mm)|Inside Diameter (Decimal Inch)|Outside Diameter (mm)|Outside Diameter (Decimal Inch - 4 Decimals)|0.9810Thickness (mm)|Thickness (Decimal Inch - 4 Decimals)|0.1870Hardness|Material Grade|Military Specification|Does Not Meet Military SpecificationsStandards|Minimum Inside Diameter (Decimal Inch)|0.5700Minimum Inside Diameter (mm)|0.57Maximum Inside Diameter (mm)|Minimum Outside Diameter (Decimal Inch)|Minimum Outside Diameter (mm)|Maximum Outside Diameter (mm)|0.98Maximum Outside Diameter (Decimal Inch)|0.9810Maximum Thickness (Decimal Inch)|Maximum Thickness (mm)|Fastener Standard|Maximum Inside Diameter (Inch)|0.5870System Of Measurement|InchFinish Coating|Bright/UncoatedAdditional Information|UNSPSC Code|