Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NAS120C125 found under Knob by Nor Cal Supply Coinc. The National Stock Number assigned to this part is 5355005756094, 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 NAS120C125.