Disc Spring, Belleville Spring Washer, SAE-1074, Finish Plain, Min. Inside Dia. 0.532 In, Max. Outside Dia. 1.25 In, Thickness 0.125 In, Overall Height 0.143 In, Load at Deflection 2866 Lbs., Deflection at Load 0.014 In, Calculated Load at Flat 4024 Lbs., Package Quantity 10