Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N4786AFBAC found under Adapter Oil Drain by Coltec Industries Inc. The National Stock Number assigned to this part is 2815012114088, 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 N4786AFBAC.