Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PWA50448 found under Seating Tool Shaft Bearing by United Technologies Corporation. The National Stock Number assigned to this part is 5120000032265, and the Federal Supply Class is 5120 Hand Tools Nonedged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PWA50448.