Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ETK4002-97 found under by Sba Trafotech Gmbh. The National Stock Number assigned to this part is 5950123144520, 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 ETK4002-97.