Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number U9491-2 found under Coil Radio Frequency by Ami Coast Magnetics Inc. The National Stock Number assigned to this part is 5950010680372, and the Federal Supply Class is 5950 Coils And Transformers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like U9491-2.