Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CFW03-WTB-2114 found under Lamp Cartridge by Spectrum Controls Inc. The National Stock Number assigned to this part is 6240004562041, 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 CFW03-WTB-2114.