Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F2XS-1G120 277EL found under Sign Interior Illuminated Electric by Lithonia. The National Stock Number assigned to this part is 9905013580892, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like F2XS-1G120 277EL.