Used on 155mm,howitzer m185 cannon,tube assy. 8.514" inside diameter 8.764" outside diameter 0.940" major thickness split ring style internal ring 8.580 dia 0.033 deep on 0.220 radius
1.240" inside diameter 1.480" outside diameter 0.140" major thickness internal ring style w/2 holes, 0.048 to 0.052 in. dia, located 0.250 in. on center from the gap
0.628" inside diameter 0.758" outside diameter 0.040" major thickness spiral ring style 211000.0 pounds per square inch tensile strength rating navy special project
1.408" inside diameter 1.614" outside diameter 0.048" major thickness spiral ring style 185000.0 pounds per square inch tensile strength rating navy special project