Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R700 50 662 5B found under Coil Assembly Electrical by Ciba Geigy Corp. The National Stock Number assigned to this part is 5950005171303, 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 R700 50 662 5B.