Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 328-674 found under Lamp Incandescent by Farnell Newark Electronics Component. The National Stock Number assigned to this part is 6240999959119, 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 328-674.