Manufacturer Part Number: FWUIS0500-10LBB|Washer Type|USSMaterial|SteelMaterial Grade|Screw Size|Thread Size|Inside Diameter (Inch)|Inside Diameter (Decimal Inch)|0.5570Inside Diameter (mm)|Outside Diameter (mm)|Outside Diameter (Inch)|1-3/8Outside Diameter (Decimal Inch - 4 Decimals)|1.3750Thickness (mm)|Thickness (Inch)|Thickness (Decimal Inch - 4 Decimals)|0.1320Standards|Finish Coating|ZincFastener Standard|Military Specification|System Of Measurement|Additional Information|Product Service Code|UNSPSC Code|31161807