Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LD91019 found under Housing Turbine Ste by Turbodyne. The National Stock Number assigned to this part is 2825011916000, 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 LD91019.