Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ETC1-1-13TR found under Transformer Radio F by M A Com Inc. The National Stock Number assigned to this part is 5950016141683, 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 ETC1-1-13TR.