Manufacturer Part Number: LWIS0-4USA-500BX|Washer Type|Duty Type|Screw Size|#4Material|SteelThread Size|Inside Diameter (mm)|Inside Diameter (Decimal Inch)|0.1140Outside Diameter (mm)|Outside Diameter (Decimal Inch - 4 Decimals)|Thickness (mm)|Thickness (Decimal Inch - 4 Decimals)|0.0250Hardness|Material Grade|Military Specification|Does Not Meet Military SpecificationsStandards|Minimum Inside Diameter (Decimal Inch)|0.1140Minimum Inside Diameter (mm)|0.11Maximum Inside Diameter (mm)|Minimum Outside Diameter (Decimal Inch)|0.2090Minimum Outside Diameter (mm)|0.20Maximum Outside Diameter (mm)|0.22Maximum Outside Diameter (Decimal Inch)|0.2230Maximum Thickness (Decimal Inch)|Maximum Thickness (mm)|Fastener Standard|Maximum Inside Diameter (Inch)|0.1200System Of Measurement|InchFinish Coating|Bright/UncoatedAdditional Information|UNSPSC Code|31161801