Disc Spring, Belleville, 17-7 PH Stainless 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 60 Lbs, Meets/Exceeds ASI 302 and Government AMS Type...