Disc Spring, Belleville, High Carbon Steel, Min Inside Dia 0.630 In, Max Outside Dia 1.250 In, Thickness 0.089 In, Overall Height 0.111 In, Load 979 Lbs, Deflection @ Load 0.011 In, Flat Load 2489 Lbs, Meets/Exceeds ASTM-A684, Package 12. This item has been restricted from sale in the following state(s): []