Bowed Internal Ring System of Measurement Inch Location Style Internal Thickness 0.05 in Fits Groove Diameter 1.461 in Fits Groove Width 0.07 in Fits Groove Depth 0.043 in Free Outside Diameter 1.526 in Material Steel Finish Black Phosphate Material Grade/Class Not Graded Ring Type Bowed Internal Ring Clearance Diameter Type Free OD Thickness Tolerance +/-0.002 in Standards REACH Compliant RoHS Compliant Groove Width Tolerance +/-0.003/0.000 In.