Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number H-3503PIECE33 found under Bracket Bearing Steam Turbine by Siemens Demag Delaval Turbomachi. The National Stock Number assigned to this part is 5342011682029, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like H-3503PIECE33.