Disc Spring, Belleville Spring Washer, Carbon Steel, Finish Plain, Min. Inside Dia. 0.38 In, Max. Outside Dia. 0.95 In, Thickness 0.047 In, Overall Height 0.07 In, Load at Deflection 261 Lbs., Deflection at Load 0.012 In, Calculated Load at Flat 463 Lbs., Package Quantity 10