Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number H90AT2FA02040D found under Oil Pump Assembly Engine by R Cushman And Associatesinc. The National Stock Number assigned to this part is 2815015423557, 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 H90AT2FA02040D.