Crescent Retaining Ring 0.015 in Thk PK100 System of Measurement Inch Location Style External Thickness 0.015 in Fits Shaft Diameter 3/16 in For Bore Diameter Not Applicable Fits Groove Diameter 0.165 in Fits Groove Width 0.02 in Fits Groove Depth 0.011 in Free Inside Diameter 0.161 in Free Outside Diameter 0.244 in Clearance Diameter 0.25 in Material Steel Finish Zinc Plated Material Grade/Class Ungraded Tensile Strength 120 000 psi Ring Type Crescent Retaining Ring