Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F15T 12D found under Lamp Fluorescent by U S Lighting Corp. The National Stock Number assigned to this part is 6240001892744, 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 F15T 12D.