Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AA9020-12D7050 found under Spring Helical Comp by Pall Corporation. The National Stock Number assigned to this part is 5360010481026, 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 AA9020-12D7050.