Retaining Ring External 0.042 in Thk PK10 System of Measurement Inch Location Style External Thickness 0.042 in Fits Shaft Diameter 13/16 in For Bore Diameter Not Applicable Fits Groove Diameter 0.762 in Fits Groove Width 0.046 in Fits Groove Depth 0.025 in Free Inside Diameter 0.751 in Clearance Diameter 1.15 in Material Stainless Steel Finish Plain Material Grade/Class 18-8 Tensile Strength 150 000 psi Ring Type External Retaining Ring Clearance Diameter Type Expanded