Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 497-004-002 found under Lamp Glow by Raytheon Company. The National Stock Number assigned to this part is 6240006823411, 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 497-004-002.