NPFC - MIL-DTL-18239
EARPHONE H-87B/U
| Organization: | NPFC |
| Publication Date: | 25 November 2013 |
| Status: | active |
| Page Count: | 19 |
scope:
This specification covers one type of moving coil, dynamic type earphone designated as H-87B/U. This earphone transforms electrical energy into acoustical energy and may be acquired normally as component parts of a complete headset assembly. See 6.1, for information about use with cord assembly P/O H-87B/U, as specified in MIL-DTL-18266.
intended Use:
These earphones are intended for use with a variety of headsets and helmets required for aircraft communicating facilities in performance of the function intended (see 3.4). They are used... View More
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