Manufacturer Part Number: LWHIS162USA-010|Washer Type|Spring LockDuty Type|Heavy-DutyScrew Size|1-5/8 inMaterial|Spring SteelThread Size|Inside Diameter (mm)|Inside Diameter (Decimal Inch)|1.6330Outside Diameter (mm)|Outside Diameter (Decimal Inch - 4 Decimals)|2.6940Thickness (mm)|Thickness (Decimal Inch - 4 Decimals)|0.0450Hardness|Material Grade|8Military Specification|Does Not Meet Military SpecificationsStandards|DIN 127B; DIN 7980Minimum Inside Diameter (Decimal Inch)|1.6330Minimum Inside Diameter (mm)|1.63Maximum Inside Diameter (mm)|Minimum Outside Diameter (Decimal Inch)|Minimum Outside Diameter (mm)|Maximum Outside Diameter (mm)|2.69Maximum Outside Diameter (Decimal Inch)|2.6940Maximum Thickness (Decimal Inch)|Maximum Thickness (mm)|Fastener Standard|Maximum Inside Diameter (Inch)|1.6630System Of Measurement|InchFinish Coating|Bright/UncoatedAdditional Information|UNSPSC Code|