Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 77029072000 found under Socket Socket Wrench by Ktm Industries. The National Stock Number assigned to this part is 5120016201296, 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 77029072000.