Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 54572-17 found under Nozzle Ejector by Siemens Demag Delaval Turbomachi. The National Stock Number assigned to this part is 4620011622256, and the Federal Supply Class is 4620 Water Distillation Equipment Marine And Industrial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 54572-17.