Disc Spring Wave High Carbon Steel Finish Plain Min Inside Dia 3.370 in Max Outside Dia 4.300 in Thickness 0.045 in Overall Height 0.302 in For Hole Size 0.1875 For Rod Size 0.093 Load @ Deflection (Lbs.) 933 Deflection @ Load 0.148 in Meets/Exceeds ASTM-A684