Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1039-1 found under Transformer Radio F by American Trans Coil Corp. The National Stock Number assigned to this part is 5950010989854, 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 1039-1.