Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E11520 found under Yoke Shifter by Koehring Co. The National Stock Number assigned to this part is 2520008474101, 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 E11520.