Matl steel per mil-t-6736; 2.2515 in. Min and 2.2545 in. Max long plus 1 tab 0.080 in. Min and 0.085 in. Max long each end; 2.03 in. Min and 2.04 in. Max od; 1.80 in. Min and 1.85 in. Max id; 1 circular cutout 1.47 in. Min and 1.53 in. Max long on 2 sides