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