Disc Spring,Poly Wave Comp,0.281
275 In, For Hole Size 7/16 In, For Rod Size 1/4 In, Load 8 Lbs, Deflection @ Load 0.Disc Spring, Poly Wave Compression, 17-7 PH Stainless Steel, Thickness 0.011 In, Overall Height 0.133 In, Spring Rate 60 Lbs/In, Meets/Exceeds AISI Type 17-7 PH.