Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5315813A1 found under Spring Helical Comp by Elsag Bailey Inc. The National Stock Number assigned to this part is 5360013057440, 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 5315813A1.