Disc Spring, Belleville, High Carbon Steel, Min Inside Dia 0.328 In, Max Outside Dia 0.687 In, Thickness 0.052 In, Overall Height 0.068 In, Load 630 Lbs, Deflection @ Load 0.013 In, Flat Load 260 Lbs, Meets/Exceeds ASTM-A684, Package 12. This item has been restricted from sale in the following state (s): []