Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 600021-00 found under Transformer by Epi Printers Inc. The National Stock Number assigned to this part is 5950011747430, 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 600021-00.