Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number Y2801 found under Plug Permanent Tube by Siemens Demag Delaval Turbomachi. The National Stock Number assigned to this part is 4730000821163, and the Federal Supply Class is 4730 Hose Pipe Tube Lubrication And Railing Fittings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like Y2801.