Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1517 found under Coil Radio Frequency by Clough Brengle Co The. The National Stock Number assigned to this part is 5950002688962, 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 1517.