Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PH75AT5-1-4V found under Lamp Incandescent by General Electric Inc. The National Stock Number assigned to this part is 6240002996772, 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 PH75AT5-1-4V.