Manufacturer Part Number: FWUIS2250-5LBBX|Washer Type|USSMaterial|SteelMaterial Grade|2Screw Size|2-1/4 inThread Size|Inside Diameter (Inch)|Inside Diameter (Decimal Inch)|2.3650Inside Diameter (mm)|Outside Diameter (mm)|Outside Diameter (Inch)|Outside Diameter (Decimal Inch - 4 Decimals)|4.7950Thickness (mm)|Thickness (Inch)|Thickness (Decimal Inch - 4 Decimals)|0.2480Standards|ASME B18.21.1Finish Coating|ZincFastener Standard|Military Specification|System Of Measurement|InchAdditional Information|Product Service Code|UNSPSC Code|