Retaining Ring,External,0.031 In. Thk,PK25, System of Measurement Inch, Location Style External, Thickness 0.031 in, Fits Shaft Diameter 5/8 in, For Bore Diameter 5/8 in, Fits Groove Diameter Not Applicable, Fits Groove Width Not Applicable, Fits Groove Depth 0.375 in, Free Inside Diameter 0.693 in, Free Outside Diameter 1.188 in, Clearance Diameter Not Applicable, Material Spring Steel, Finish Zinc Plated, Material Grade/Class SAE 1050-1065, Tensile Strength Not Applicable