5985-01-059-2620 (7539912P0001)
NSN 5985-01-059-2620 (NIIN 01-059-2620) 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 7539912P0001; also referenced as CRF-9-255/17527 (Merrimac Industries, Inc); 7539912P1 (Lockheed Martin Corp Naval); CH-599 (Cobham Advanced Electronic Solutions).
Key specs: 10 to 500 MHz radio frequency; 1.6 power loss in decibels; full characteristics table below. NIIN assigned April 1978; DEMIL B (USML, demil required); unit of issue EA (each), $333.00 gov standard price; export Schedule B 8529.10.9000; ships at 0.02 lb / 0.0003 cu ft.