Disc Spring, Belleville, High Carbon Steel, Min Inside Dia 0.531 In, Max Outside Dia 1.125 In, Thickness 0.062 In, Overall Height 0.083 In, Load 520 Lbs, Deflection @ Load 0.017 In, Flat Load 1542 Lbs, Meets/Exceeds ASTM-A684, Package 12. This item has been restricted from sale in the following state (s): []