Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number X050.1 found under Vacuum Pump Unit Rotary by Xenetech Global Inc. The National Stock Number assigned to this part is 4310015249594, and the Federal Supply Class is 4310 Compressors And Vacuum Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like X050.1.