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. Water resistant. 5-1-1543 M-101/AIC 25 OHM MC-ACVC-801HO 5-1-3339 M-101/AIC 300 OHM 5-1-3340 Clip Adapte M-101/AIC 75 OHM Bracket MT-2189/AIC M-116/G ELECTRET 5075 M-138/G H-189/GR M-162/AIC H-250/U M-80C/U M-100/AIC M-87/AIC Series M-101/AIC M26542 ... M-87/AIC Microphone. NSN: 5965-00-755-4643. Built in accordance with MIL-PRF-26542/2. Get a custom quote here. Contact AVS directly for specs and parts numbers: M-87/AIC, M26542/2-01, M26542/2-02, M26542/2-03, AND M26542/2-04 . This specification is approved for use by all Departments . and Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-PRF-26542. FIGURE 1. Microphone assembly. INCH-POUND MIL-PRF-26542/2E American International College is accredited by the New England Commission of Higher Education (formerly the Commission on Institutions of Higher Education of the New England Association of Schools and Colleges, Inc.). Inquiries regarding the accreditation status by the Commission should be directed to the administrative staff of the institution. Replacement carbon dynamic low impedance (5 OHM) microphone. Most commonly used with military radios. Attached to a PA-101 amplifier the M87 can be used with a civilian radio.