Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B206A003 found under Transformer Audio F by Cosmos Industries Inc. The National Stock Number assigned to this part is 5950010114797, 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 B206A003.