Disc Spring, Belleville, 302 Stainless Steel, Min Inside Dia 0.317 In, Max Outside Dia 0.625 In, Thickness 0.047 In, Overall Height 0.059 In, Load 316 Lbs, Deflection @ Load 0.006 In, Flat Load 600 Lbs, Meets/Exceeds ASI 302 and Government AMS Type 302, Package 12. This item has been restricted from sale in the following state (s): []