Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5007503 found under Spring Helical Comp by Meggitt Aircraft Braking Systems. The National Stock Number assigned to this part is 5360013757177, 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 5007503.