Retaining Ring Internal 0.042 in Thk PK50 System of Measurement Inch 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 0.031 in Free Outside Diameter 1.041 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