Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 339173LS found under Blade Set Turbine A by United Technologies Corporation. The National Stock Number assigned to this part is 2840005896764, and the Federal Supply Class is 2840 Gas Turbines And Jet Engines Aircraft Prime Moving And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 339173LS.