Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CN04-ACS-N123 found under Lamp Cartridge by Eldema Products. The National Stock Number assigned to this part is 6240009870977, 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 CN04-ACS-N123.