Retaining Ring,Internal,0.042 In. Thk,PK50, System of Measurement Not Applicable, Location Style Internal, Thickness 0.042 in, Fits Shaft Diameter Not Applicable, For Bore Diameter 15/16 in, Fits Groove Diameter 1 in, Fits Groove Width 0.046 in, Fits Groove Depth Not Applicable, Free Inside Diameter Not Applicable, Free Outside Diameter 1.041 in, Clearance Diameter 0.9375 in, Material Steel, Finish Plain, Material Grade/Class Ungraded, Tensile Strength Not Applicable, Ring Type Retaining Ring