Retaining Ring External 0.015 in Thk PK50 System of Measurement Inch Location Style External Thickness 0.015 in Fits Shaft Diameter 15/64 in For Bore Diameter Not Applicable Fits Groove Diameter 0.222 in Fits Groove Width 0.018 in Free Inside Diameter 0.215 in Material Steel Finish Plain Material Grade/Class Grade 1060/Grade 1090 Ring Type External Retaining Ring Pack Size Small Pack Manufacturer Location Globally Sourced Ring Sub-Type Standard Package Quantity 50