Disc Spring Wave Spring Stainless Steel Finish Plain Min Inside Dia 0.5mm Max Outside Dia 0.6mm Thickness 0.01mm Overall Height 0.1mm 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