Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number L21257G01 found under Dial Scale by General Electric Co. The National Stock Number assigned to this part is 5355015015789, 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 L21257G01.