Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MAFB4578APC1T016-19-20-44 found under Drive Assembly by Coltec Industries Inc. The National Stock Number assigned to this part is 2815001489424, and the Federal Supply Class is 2815 Diesel Engines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MAFB4578APC1T016-19-20-44.