E Style Retaining Ring 0.05 in Thk PK50 System of Measurement Inch Location Style External Thickness 0.05 in Fits Shaft Diameter 7/8 in For Bore Diameter Not Applicable Fits Groove Diameter 0.675 in Fits Groove Width 0.056 in Fits Groove Depth 0.1 in Free Inside Diameter 0.668 in Free Outside Diameter 1.3 in Material Steel Finish Zinc Plated Material Grade/Class Ungraded Tensile Strength 150 000 psi Ring Type E-Style Retaining Ring Material Quality Standards ASME