Retaining Ring External 0.025 in Thk PK50 System of Measurement Inch Location Style External Thickness 0.025 in Fits Shaft Diameter 15/32 in For Bore Diameter Not Applicable Fits Groove Diameter 0.443 in Fits Groove Width 0.029 in Free Inside Diameter 0.428 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