Manufacturer Part Number: LWHIS175USA-010|Washer Type|Duty Type|Screw Size|1-3/4 inMaterial|Spring SteelThread Size|Inside Diameter (mm)|Inside Diameter (Decimal Inch)|1.7580Outside Diameter (mm)|Outside Diameter (Decimal Inch - 4 Decimals)|Thickness (mm)|Thickness (Decimal Inch - 4 Decimals)|0.4500Hardness|Material Grade|8Military Specification|Does Not Meet Military SpecificationsStandards|Minimum Inside Diameter (Decimal Inch)|1.7580Minimum Inside Diameter (mm)|1.75Maximum Inside Diameter (mm)|Minimum Outside Diameter (Decimal Inch)|Minimum Outside Diameter (mm)|Maximum Outside Diameter (mm)|2.82Maximum Outside Diameter (Decimal Inch)|2.8200Maximum Thickness (Decimal Inch)|Maximum Thickness (mm)|Fastener Standard|Maximum Inside Diameter (Inch)|1.7890System Of Measurement|InchFinish Coating|Bright/UncoatedAdditional Information|UNSPSC Code|