Spiral Retaining Ring 0.05 in Thk PK5 System of Measurement Inch Location Style Internal Thickness 0.05 in Fits Shaft Diameter Not Applicable For Bore Diameter 1 7/16 in Fits Groove Diameter 1.528 in Fits Groove Width 0.056 in Fits Groove Depth 0.045 in Free Outside Diameter 1.539 in Material Steel Finish Plain Material Grade/Class Ungraded Tensile Strength 211 000 psi Ring Type Spiral Retaining Ring Material Quality Standards ANSI Pack Size Small Pack