E Style Retaining Ring 0.035 in Thk PK100 System of Measurement Inch Location Style External Thickness 0.035 in Fits Shaft Diameter 3/8 in For Bore Diameter Not Applicable Fits Groove Diameter 0.303 in Fits Groove Width 0.039 in Fits Groove Depth 0.036 in Free Inside Diameter 0.3 in Free Outside Diameter 0.66 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