5965-01-086-5692 (10531)
NSN 5965-01-086-5692 (NIIN 01-086-5692) is a carbon microphone in Federal Supply Class 5965, Headsets, Handsets, Microphones And Speakers — a microphone which depends for its operation upon the variation in resistance of carbon granules. Manufacturer part number 10531 (Edo-Aire, CAGE 30917); also referenced as M551 (C & W Aero Service Inc).
Key specs: 100 to 5000 frequency response range in hertz; full characteristics table below. NIIN assigned November 1979; DEMIL A (none required); unit of issue EA (each), $312.82 gov standard price; export Schedule B 8518.10.0000; ships at 1.12 lb / 0.2271 cu ft.