Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M34-85-7017 found under by Thorn Lighting Ltd. The National Stock Number assigned to this part is 6240010781658, 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 M34-85-7017.