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NPFC - MIL-E-18239

EARPHONE H-87B/U

active, Most Current
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Organization: NPFC
Publication Date: 17 December 1982
Status: active
Page Count: 21
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.

Earphones shall be of the following types as specified (see 6.2).

Type Figure Part Number Type 1 Figure 1 M18239-1 Type 2 Figure 2 M18239-2 Type 4 Figure 3 M18239-4

Type 2 supersedes Type 3, items in stock may be used until exhausted.

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). In addition, these... View More

Document History

November 25, 2013
EARPHONE H-87B/U
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 with cord...
August 8, 2005
EARPHONE H-87B/U
A description is not available for this item.
October 31, 2000
EARPHONE H-87B/U
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). In addition, these...
MIL-E-18239
December 17, 1982
EARPHONE H-87B/U
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...
September 23, 1976
EARPHONE H-87B/U
A description is not available for this item.
August 15, 1970
EARPHONE H-87B/U
A description is not available for this item.
December 2, 1968
EARPHONE H-87B/U
A description is not available for this item.
January 15, 1968
EARPHONE H-87B/U
A description is not available for this item.
September 15, 1964
EARPHONE H-87B/U
A description is not available for this item.
June 19, 1962
EARPHONE H-87B/U
A description is not available for this item.
April 15, 1960
EARPHONE H-87B/U
A description is not available for this item.
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