Disc Spring Metric Disc Spring Carbon Steel Finish Oil Min Inside Dia 0.402 in Max Outside Dia 0.787 in Thickness 0.5mm Overall Height 1.15mm Load @ Deflection (Lbs.) 284N Deflection @ Load 0.49mm Calculated Load @ Flat (Lbs.) 532N Meets/Exceeds DIN 2093 Package Quantity 10