scope:

- This specification covers microphones designed for use in intercommunication and announcing systems aboard Naval ships. The microphones are noise canceling types suitable for use in noisy areas.

- Microphones shall be of the following types, as specified (see 6.2):

Type M124/SIC - Hand held, equipped with 18 inch length of MCOS-5 cable and six pin connector (rep lace- ment for type IC/MPM-3). M125/SIC - Hand held, equipped with 120 inch coil cord and six pin connector (replacement for types IC/MPM-6 and M-114/U). M132/SIC - Hand held, equipped with 120 inch coil cord and six pin connector (replacement for type IC/MPM-4). M131/WIC - Hand held, equipped with 120 inch coil cord and ten pin connector (replacement for type M-106/U).

intended Use:

- The microphones covered by this specification are intended for use with intercommunication and announcing equipment aboard Naval ships.