Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 33029 found under Clutch Assembly Fri by Twin Disc Incorporated. The National Stock Number assigned to this part is 2520012640578, and the Federal Supply Class is 2520 Vehicular Power Transmission Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 33029.