Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PS1-01-4809 found under Transformer Power by Vicor Inc. The National Stock Number assigned to this part is 5950016516448, 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 PS1-01-4809.