Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 272-704 found under Lamp Glow by A W Chesterton Company. The National Stock Number assigned to this part is 6240010828798, 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 272-704.