Retaining Ring,External,0.015 In. Thk,PK50, System of Measurement Not Applicable, Location Style External, Thickness 0.015 in, Fits Shaft Diameter 3/16 in, For Bore Diameter Not Applicable, Fits Groove Diameter 0.175 in, Fits Groove Width 0.018 in, Fits Groove Depth Not Applicable, Free Inside Diameter Not Applicable, Clearance Diameter 0.1875 in, Material Steel, Finish Plain, Material Grade/Class Ungraded, Tensile Strength Not Applicable, Ring Type Retaining Ring, Shank Diameter Not Applicable