Disc Spring, Curved, 301 Stainless Steel, Min Inside Dia 0.135 In, Max Outside Dia 0.245 In, Thickness 0.004 In, Overall Height 0.049 In, For Hole Size 1/4 In, For Rod Size #5, Load 1 Lbs, Deflection @ Load 0.026 In, Meets/Exceeds ASTM A693, Package 10