Disc Spring Split Wave Springs High Carbon Steel Finish Plain Min Inside Dia 0.093 in Max Outside Dia 9.000 in Thickness 0.032 in Overall Height 0.290 in For Rod Size 5/16 in Load @ Deflection (Lbs.) NA Deflection @ Load 0.156 in Meets/Exceeds SWRH72A GB4357-B Package Quantity 10