Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D63-2002-355 found under Transformer Audio Frequency by Landers Frary And Clark. The National Stock Number assigned to this part is 5950005181174, 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 D63-2002-355.