Used on c-130 acft; nha: wheel assy, p/n 219a967-1, 1630-00-914-1329. 4.249" inside diameter 4.499" outside diameter 0.0625" major thickness angular cap ring style material spec is qq-s-633 cadmium surface treated
2.188" inside diameter 2.284" outside diameter 0.048" major thickness special flat ring style 235000.0 pounds per square inch tensile strength rating cadmium surface treated