E Style Retaining Ring,0.042 In. Thk,PK100, System of Measurement Inch, Location Style External, Thickness 0.042 in, Fits Shaft Diameter 5/8 in, For Bore Diameter Not Applicable, Fits Groove Diameter 0.485 in, Fits Groove Width 0.046 in, Fits Groove Depth 0.07 in, Free Inside Diameter 0.48 in, Free Outside Diameter 0.94 in, Clearance Diameter 0.94 in, Material Steel, Finish Zinc Plated, Material Grade/Class Ungraded, Tensile Strength 150,000 psi, Ring Type E-Style Retaining Ring