Retaining Ring,External,.015 in Thk,PK25, System of Measurement Inch, Location Style External, Thickness 0.015 in, Fits Shaft Diameter 3/8 in, For Bore Diameter 3/8 in, Fits Groove Diameter Not Applicable, Fits Groove Width Not Applicable, Fits Groove Depth 0.35 in, Free Inside Diameter 0.375 in, Free Outside Diameter 0.835 in, Clearance Diameter Not Applicable, Material Steel, Finish Zinc Plated, Material Grade/Class SAE 1050, Tensile Strength Not Applicable, Ring Type Retaining Ring Cap