Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A1709-C-1987 found under Display Board Assembly by Argon Corp. The National Stock Number assigned to this part is 5985012753761, and the Federal Supply Class is 5985 Antennas Waveguides And Related Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A1709-C-1987.