Disc Spring Split Wave Springs Stainless Steel Finish Plain Min Inside Dia 0.093 in Max Outside Dia 4.2mm Thickness 0.03mm Overall Height 0.2mm 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