Retaining Ring, System of Measurement Inch, Location Style External, Thickness 0.042 in, Fits Shaft Diameter 1/2 in, For Bore Diameter Not Applicable, Fits Groove Diameter 0.396 in, Fits Groove Width 0.046 in, Fits Groove Depth 0.052 in, Free Inside Diameter 0.385 in, Free Outside Diameter 0.81 in, Clearance Diameter 0.83 in, Material Stainless Steel, Finish Plain, Material Grade/Class Not Graded, Tensile Strength Not Applicable, Ring Type E-Style Retaining Ring, Thickness Tolerance +/-0.002 in