Disc Spring, Belleville, 302 Stainless Steel, Min Inside Dia 0.093 In, Max Outside Dia 0.187 In, Thickness 0.007 In, Overall Height 0.013 In, Load 7 Lbs, Deflection @ Load 0.003 In, Flat Load 7532 Lbs, Meets/Exceeds ASI 302 and Government AMS Type 302, Package 12