5965-00-170-4827 (5703)
NSN 5965-00-170-4827 (NIIN 00-170-4827) is a microphone element in Federal Supply Class 5965, Headsets, Handsets, Microphones And Speakers — a complete fabrication of the essential internal operating parts of a microphone. Manufacturer part number 5703 (Bosch Security Systems, Inc, CAGE 81134).
Key specs: 100 to 6000 frequency response range in hertz; 25 kilohm nominal impedance; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); export Schedule B 8518.90.3000.