Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CWK471-11B ITEM found under Spring Helical Comp by Walz And Krenzer Inc. The National Stock Number assigned to this part is 5360011967959, 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 CWK471-11B ITEM.