Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ES0 690322 1 found under Transformer Radio F by At And T Corp. The National Stock Number assigned to this part is 5950006459522, 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 ES0 690322 1.