Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number T43-004-001 found under Transformer Current by Varo Electron Devices. The National Stock Number assigned to this part is 5950004543051, 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 T43-004-001.