Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CS7870 found under Coil Radio Frequenc by Coil Specialty Co Inc. The National Stock Number assigned to this part is 5950006456640, 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 CS7870.