Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DX520016-1 found under Transformer Power by Unisys Ltd. The National Stock Number assigned to this part is 5950009109375, 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 DX520016-1.