Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E0300-037-2000M found under Spring Helical Extension by Barnes Group Inc. The National Stock Number assigned to this part is 5360010942428, 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 E0300-037-2000M.