Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TY 1156DB-1220 found under Autotransformer Mot by Superior Electric Holding Group Llc. The National Stock Number assigned to this part is 5950010909803, 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 TY 1156DB-1220.