5985-01-104-2294 (HFA-75-3DB)
NSN 5985-01-104-2294 (NIIN 01-104-2294) is a fixed attenuator in Federal Supply Class 5985, Antennas, Waveguides, And Related Equipment — a device for reducing the strength of an alternating current signal by a fixed or predetermined amount, without causing appreciable signal distortion. Manufacturer part number HFA-75-3DB (Applied Research Inc, CAGE 05627); also referenced as P3933-003-02 (Us Army Aviation And Missile Command).
Key specs: 1.20 voltage standing wave ratio; 75 input impedance in ohms; -55 to 100 °C operating range; full characteristics table below. NIIN assigned November 1980; DEMIL A (none required); export Schedule B 8529.10.9000.