Disc Spring, Belleville, 302 Stainless Steel, Min Inside Dia 0.317 In, Max Outside Dia 0.625 In, Thickness 0.022 In, Overall Height 0.042 In, Load 69 Lbs, Deflection @ Load 0.010 In, Flat Load 105 Lbs, Meets/Exceeds ASI 302 and Government AMS Type...