All Categories > Custom Washers > Item # WAO521 Item # WAO521, Flexoid Washer Request a Quote Email This Page Download PDF Download PDF Printable Page Close Window Unit of Measure Imperial Metric Both Specifications Material N/A Flexoid Outer Diameter N/A 0.410 Inch0.415 Inch Outer Diameter Tolerance N/A ± 0.0075 Inch Inner Diameter N/A 0.313 Inch0.317 Inch Inner Diameter Tolerance N/A ± 0.002 Inch Thickness Tolerance N/A ± 0.010 Inch Thickness N/A 0.015 Inch