Disc Spring Metric Disc Spring Carbon Steel Finish Oil Min Inside Dia 0.323 in Max Outside Dia 0.630 in Thickness 0.4mm Overall Height 0.9mm Load @ Deflection (Lbs.) 173N Deflection @ Load 0.37mm Calculated Load @ Flat (Lbs.) 324N Meets/Exceeds DIN 2093 Package Quantity 10