Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C12820AE found under Breather by Haldex Brake Products Corporation. The National Stock Number assigned to this part is 2520001237401, 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 C12820AE.