Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FDB-1505-85010A found under Disk Steam Turbine Engine by Fatigue Technology International. The National Stock Number assigned to this part is 2825016220537, and the Federal Supply Class is 2825 Steam Turbines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like FDB-1505-85010A.