Disc Spring: Belleville Spring Washer, 0.65625 For Rod Size, Stainless Steel, 1.5 For Hole Size This listing is for pkg. of 10. Technical Specification Item Disc Spring Type Belleville Spring Washer Material Stainless Steel Finish Plain Min. Inside Dia. 0.657 in Max. Outside Dia. 1.5 in Thickness 0.1 in Overall Height 0.14 in For Hole Size 1.5 For Rod Size 0.65625 Load @ Deflection (Lbs.) 2335 Deflection @ Load 0.032 in Calculated Load @ Flat (Lbs.) 3210