Retaining Ring External 0.042 in Thk PK5 System of Measurement Inch Location Style External Thickness 0.042 in Fits Shaft Diameter 1 in For Bore Diameter Not Applicable Fits Groove Diameter 0.94 in Fits Groove Width 0.046 in Fits Groove Depth 0.03 in Free Inside Diameter 0.925 in Clearance Diameter 1.41 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