Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 77116-2 found under Ballast Lamp by G A F Corp. The National Stock Number assigned to this part is 6250001742914, 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 77116-2.