5985-01-028-7090 (68BF50)
NSN 5985-01-028-7090 (NIIN 01-028-7090) 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 68BF50 (Wiltron Co, CAGE 20944); also referenced as SC3033 (Anritsu Company).
Key specs: 50 kHz minimum and 32 MHz maximum radio frequency; 50 power loss in decibels; full characteristics table below. NIIN assigned October 1976; DEMIL A (none required); export Schedule B 8529.10.9000.