Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C0420-055-2000M found under Spring Helical Comp by Barnes Group Inc. The National Stock Number assigned to this part is 5360011743251, and the Federal Supply Class is 5360 Coil Flat Leaf And Wire Springs. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like C0420-055-2000M.