Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AA50-919T2 found under Reducer Tube by Allan Aircraft Supply Co Llc. The National Stock Number assigned to this part is 4730008103857, 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 AA50-919T2.