Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DU3000-901 found under Transformer Power by Spd Electrical Systems Inc. The National Stock Number assigned to this part is 5950003697428, 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 DU3000-901.