Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HILS6 found under Lamp Incandescent by Holt Instrument Laboratories Llc. The National Stock Number assigned to this part is 6240001558001, 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 HILS6.