Retaining Ring,External,0.025 In. Thk,PK50, System of Measurement Not Applicable, Location Style External, Thickness 0.025 in, Fits Shaft Diameter 3/16 in, For Bore Diameter Not Applicable, Fits Groove Diameter 0.596 in, Fits Groove Width 0.039 in, Fits Groove Depth Not Applicable, Free Inside Diameter Not Applicable, Free Outside Diameter 0.62 in, Clearance Diameter 0.1875 in, Material Steel, Finish Plain, Material Grade/Class Ungraded, Tensile Strength Not Applicable