Disc Spring Wave Spring Stainless Steel Finish Plain Min Inside Dia 0.135 in Max Outside Dia 42.0mm Thickness 0.46mm Overall Height 3.0mm For Hole Size 0.1875 For Rod Size 5/16 in Load @ Deflection (Lbs.) NA Meets/Exceeds 17-7 PH Condition C CH-900 AMS-5529 Package Quantity 10