Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2520003973324 found under Screen Transmission Oil Cooler by E C A Etablissement Central. The National Stock Number assigned to this part is 2520003973324, 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 2520003973324.