Disc Spring Split Wave Springs Stainless Steel Finish Plain Min Inside Dia 0.093 in Max Outside Dia 0.183 in Thickness 0.81mm Overall Height 4.0mm For Rod Size 5/16 in Load @ Deflection (Lbs.) NA Deflection @ Load 6.86mm Meets/Exceeds 17-7 PH Condition C CH-900 AMS-5529 Package Quantity 10