Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LU150 55 found under Lamp Sodium by Gte Products Corp. The National Stock Number assigned to this part is 6240010809620, 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 LU150 55.