5985-01-368-0986 (DBF 675-40)
NSN 5985-01-368-0986 (NIIN 01-368-0986) is a directional coupler in Federal Supply Class 5985, Antennas, Waveguides, And Related Equipment — an item specifically designed to be inserted into a transmission line, waveguide or coaxial transmission line to provide a suitable test outlet. Manufacturer part number DBF 675-40 (Systron-Donner Corp, CAGE 01220).
Key specs: 12.4 to 18 gigahertz radio frequency; full characteristics table below. NIIN assigned November 1992; DEMIL A (none required); export Schedule B 8529.10.9000.