Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4T 4 5 C 1 1 2 130V found under Lamp Incandescent by Federal Aviation Administration. The National Stock Number assigned to this part is 6240016100789, 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 4T 4 5 C 1 1 2 130V.