Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AT01947-3 found under Spring Helical Exte by Power Control Devices Inc. The National Stock Number assigned to this part is 5360003516062, 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 AT01947-3.