5985-01-239-2201 (26769B)
NSN 5985-01-239-2201 (NIIN 01-239-2201) 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 26769B (Narda Holdings, Inc., CAGE 99899); also referenced as C12405-2 (Lockheed Martin Corporation).
Key specs: 7 to 12.4 gigahertz radio frequency; 0.3 power loss in decibels; full characteristics table below. NIIN assigned August 1986; export Schedule B 8529.10.9000; ships at 0.52 lb / 0.0323 cu ft.