Disc Spring Metric Disc Spring Carbon Steel Finish Oil Min Inside Dia 0.283 in Max Outside Dia 0.551 in Thickness 0.5mm Overall Height 0.9mm Load @ Deflection (Lbs.) 312N Deflection @ Load 0.3mm Calculated Load @ Flat (Lbs.) 584N Meets/Exceeds DIN 2093 Package Quantity 10