Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 923-0476 found under Drive Shaft by Marathon Le Tourneau Co. The National Stock Number assigned to this part is 2520004483480, 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 923-0476.