Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 252012103506 found under Boot Power Transmis by E C A Etablissement Central. The National Stock Number assigned to this part is 2520012103506, 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 252012103506.