Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ILG681D found under by Aar Brooks And Perkins Corp. The National Stock Number assigned to this part is 5826000088512, and the Federal Supply Class is 5826 Radio Navigation Equipment Airborne. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ILG681D.