5965-00-989-6936 (10020)
NSN 5965-00-989-6936 (NIIN 00-989-6936) is an earphone element in Federal Supply Class 5965, Headsets, Handsets, Microphones And Speakers — the internal fabrication of an earphone. Manufacturer part number 10020 (Roanwell, LLC, CAGE 82872); also referenced as 1310-01-00013 (Pax Mfg Corp Hammarlund Mfg Co Div); 90059-51, RA1H (Roanwell, LLC).
Key specs: 138 nominal impedance in ohms; not rated acoustic sensitivity reference; full characteristics table below. NIIN assigned January 1961; DEMIL A (none required); unit of issue EA (each), $13.79 gov standard price; export Schedule B 8518.90.3000. Supersedes 5965-00-071-0265 (1968).