5965-01-016-9933 (116860-690)
NSN 5965-01-016-9933 (NIIN 01-016-9933) is a headset-microphone in Federal Supply Class 5965, Headsets, Handsets, Microphones And Speakers — an item consisting of a headset, electrical and a microphone (as modified) mounted on or supported from the head. Manufacturer part number 116860-690 (Roanwell, LLC, CAGE 82872); also referenced as 116860, 491-145-003-690, 491-145-003-694 (Roanwell, LLC); JTHM-57(83) (Orbital Corporation Of Tampa).
Key specs: 300 hertz minimum or 4 kHz maximum frequency; 30 ohms nominal impedance; full characteristics table below. NIIN assigned February 1976; DEMIL A (none required); unit of issue EA (each), $173.16 gov standard price; export Schedule B 8518.90.3000. Supersedes 5965-00-558-3697 (1982).