Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TS159 found under Lamp Incandescent by J And H Smith Mfg Co Inc. The National Stock Number assigned to this part is 6240002704697, 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 TS159.