5965-00-102-3803 (162-0020)
NSN 5965-00-102-3803 (NIIN 00-102-3803) is a magnetic microphone in Federal Supply Class 5965, Headsets, Handsets, Microphones And Speakers — a microphone which depends for its operation upon variations in reluctance of a magnetic circuit. Manufacturer part number 162-0020 (L3Harris Technologies, Inc., CAGE 14304); also referenced as M143GR (Joint Electronics Type Designation).
Key specs: 200 to 8000 frequency response range in hertz; 200 ohms nominal impedance; full characteristics table below. NIIN assigned June 1968; DEMIL A (none required); export Schedule B 8518.90.3000; ships at 1.18 lb / 0.1729 cu ft.