Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 208B9 found under Spring by A R F Products Inc. The National Stock Number assigned to this part is 5360003963234, 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 208B9.