Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 70272 found under Idler Arm Assembly by Wausau Plant Machining Div. The National Stock Number assigned to this part is 2520008471950, 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 70272.