Used on ch-53,helicopter. 4.687" inside diameter 4.867" outside diameter 0.068" major thickness special flat ring style test method astm E18 for hardness
Used on ch-53,helicopter. 8.000" inside diameter 8.266" outside diameter 0.082" major thickness special flat ring style test method astm E18 for hardness
Used on ch-53,helicopter. 2.750" inside diameter 2.934" outside diameter 0.930" major thickness special flat ring style test method astm E18 for hardness