Retaining Ring Internal 0.05 in Thk PK25 System of Measurement Inch Location Style Internal Thickness 0.05 in Fits Shaft Diameter Not Applicable For Bore Diameter 1 1/2 in Fits Groove Diameter 1.594 in Fits Groove Width 0.056 in Fits Groove Depth 0.047 in Free Outside Diameter 1.66 in Material Steel Finish Zinc Plated Material Grade/Class Ungraded Tensile Strength 150 000 psi Ring Type Housing Ring Clearance Diameter Type Expanded Material Quality Standards ASME