External Retaining Ring Spiral 302 SS Plain For Shaft Dia 2 7/8 In Free ID 2.702 In Thickness 0.093 In Thickness Tolerance +/-0.003 In Fits Groove Dia 2.721 In Groove Dia Tolerance +/-0.006 In Fits Groove Width 0.103 In Groove Width Tolerance 0.005 In Fits Groove Depth 0.077 In Meets ANSI Tensile Strength 155 000 PSI