Disc Spring, Belleville Spring Washer, Carbon Steel, Finish Plain, Min. Inside Dia. 0.505 In, Max. Outside Dia. 1.5 In, Thickness 0.102 In, Overall Height 0.128 In, Load at Deflection 1039 Lbs., Deflection at Load 0.013 In, Calculated Load at Flat 2060 Lbs., Package Quantity 10