Crescent Retaining Ring,0.05 In. Thk,PK25, System of Measurement Inch, Location Style External, Thickness 0.05 in, Fits Shaft Diameter 1 1/8 in, For Bore Diameter Not Applicable, Fits Groove Diameter 1.013 in, Fits Groove Width 0.056 in, Fits Groove Depth 0.056 in, Free Inside Diameter 0.997 in, Free Outside Diameter 1.267 in, Clearance Diameter 1.15 in, Material Steel, Finish Zinc Plated, Material Grade/Class Ungraded, Tensile Strength 150,000 psi, Ring Type Crescent Retaining Ring