5965-00-946-1960 (55)
NSN 5965-00-946-1960 (NIIN 00-946-1960) is a dynamic microphone in Federal Supply Class 5965, Headsets, Handsets, Microphones And Speakers — a microphone which depends for its operation upon the generation of an electromotive force by the motion of a moving coil within a magnetic field. Manufacturer part number 55 (Shure Bros Inc, CAGE 54715); also referenced as 55SH, 55SW (Shure Bros Inc); G77L (Astatic Corp The).
Key specs: 50 to 15000 frequency response range in hertz; 35 to 50 ohms and 150 to 250 ohms and 35 kilohm maximum impedance; full characteristics table below. NIIN assigned March 1966; DEMIL A (none required); export Schedule B 8518.90.3000. Supersedes 5965-01-053-6426 (1991), 5965-00-284-9318 (1990).