Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 116U found under Transformer Power Autotransforme by Tdk Lambda Americas Inc. The National Stock Number assigned to this part is 5950001616519, 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 116U.