Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WL8GH004554 28 found under Lamp Incandescent by The Boeing Company. The National Stock Number assigned to this part is 6240016289237, 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 WL8GH004554 28.