Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S2221DB found under Outlet Tube by Liebherr Aerospace Toulouse Sas. The National Stock Number assigned to this part is 4730144497939, 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 S2221DB.