Manufacturer Part Number: 81923823|Washer Type|USSMaterial|SteelMaterial Grade|2Screw Size|5/16 inThread Size|Inside Diameter (Inch)|Inside Diameter (Decimal Inch)|0.3700Inside Diameter (mm)|Outside Diameter (mm)|Outside Diameter (Inch)|Outside Diameter (Decimal Inch - 4 Decimals)|0.9050Thickness (mm)|Thickness (Inch)|Thickness (Decimal Inch - 4 Decimals)|0.1040Standards|Finish Coating|ZincFastener Standard|Military Specification|System Of Measurement|InchAdditional Information|Product Service Code|UNSPSC Code|