5985-00-628-9012 (4144T-2)
NSN 5985-00-628-9012 (NIIN 00-628-9012) 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 4144T-2 (Bird Electronic Corporation, CAGE 70998); also referenced as 7005-2 (Edo Ail Systems Inc).
Key specs: 2 to 30 MHz radio frequency; 30 power loss in decibels; full characteristics table below. NIIN assigned March 1975; unit of issue EA (each), $689.39 gov standard price; export Schedule B 8529.10.9000; ships at 0.82 lb / 0.0254 cu ft.