Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 21490379 found under Piston Clutch Shaft by M E P Marine Equipment Pellegrini. The National Stock Number assigned to this part is 2520151209014, 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 21490379.