Disc Spring Belleville Chrome Vanadium Min Inside Dia 1.531 In Max Outside Dia 2.750 In Thickness 0.219 In Overall Height 0.255 In Load @ Deflection (Lbs.) 7100 Lbs Deflection @ Load 0.029 In Calculated Load @ Flat (Lbs.) 1 440.0 Meets/Exceeds DIN 6796