Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3551245-125 found under Light Guide Indicator by Galileo Electro Optics Corp. The National Stock Number assigned to this part is 6020002929179, and the Federal Supply Class is 6020 Fiber Optic Cable Assemblies And Harnesses. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3551245-125.