Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RC 12 found under Drive Unit Angle by Joyce Telectronics Corp. The National Stock Number assigned to this part is 3010016682220, and the Federal Supply Class is 3010 Torque Converters And Speed Changers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RC 12.