Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RKS-Z21170-0039 found under Coil Radio Frequenc by Nec America Inc. The National Stock Number assigned to this part is 5950010365216, 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 RKS-Z21170-0039.