Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DULUX EL-R 11W found under Lamp Fluorescent by Osram Corp. The National Stock Number assigned to this part is 6240013449544, 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 DULUX EL-R 11W.