Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K663130089 found under Lampholder Assembly by F E L Corp. The National Stock Number assigned to this part is 6250000506830, and the Federal Supply Class is 6250 Ballasts Lampholders And Starters. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like K663130089.