Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F1LAMP found under Lamp Incandescent by American Telephone And Telegraph Co. The National Stock Number assigned to this part is 6240002690946, and the Federal Supply Class is 6240 Electric Lamps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like F1LAMP.