Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AV100-618 PIECE 20 found under Spring Helical Comp by Automatic Switch Company. The National Stock Number assigned to this part is 5360013049230, 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 AV100-618 PIECE 20.