Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number Q500 5CL P found under Lamp Incandescent by Lamp Industry. The National Stock Number assigned to this part is 6240010871280, 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 Q500 5CL P.