Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CI1CB1-20E found under Coil Radio Frequency by Automatic Coil Corp. The National Stock Number assigned to this part is 5950002009606, 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 CI1CB1-20E.