5985-00-982-3912 (G752D)
NSN 5985-00-982-3912 (NIIN 00-982-3912) 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 G752D (Keysight Technologies Inc, CAGE 7ZXR5).
Key specs: 3.95 to 5.85 gigahertz radio frequency; 0.4 power loss in decibels; full characteristics table below. NIIN assigned January 1960; export Schedule B 8529.10.9000.