Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 139057-01 found under Pointer Dial by Ge Aviation Systems Llc. The National Stock Number assigned to this part is 5355000708362, and the Federal Supply Class is 5355 Knobs And Pointers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 139057-01.