INCH-POUND
MIL-DTL-21393B
12 May 2005
SUPERSEDING
MIL-M-21393A (AS)
1 July 1960
DETAIL SPECIFICATION
MICROPHONE, DYNAMIC, M21393/1-01, M21393/2-01, AND M21393/3-01
Reactivated after May 12, 2005 and may be used for new
and existing designs and acquisitions.
This specification is approved for use by all
Departments and Agencies of the Department of Defense.
1. SCOPE
1.1 Scope. This specification covers 2 (two) hand-held Dynamic Microphones, with or without a self-
contained transistor amplifier and different connectors, for use in unique military equipment. A wall-
mounted holder is also included.
1.2 Classification The microphones are of two types and consist of the following items:
Part or Identifying
Applicable
Item
Number (PIN)
Paragraph
Microphone,
M21393/1-01
Dynamic (with amplifier)
Microphone,
M21393/2-01
Dynamic (without amplifier)
Mounting
Holder, Microphone
M21393/3-01
2. APPLICABLE DOCUMENTS
2.1 General. The documents listed in this section are specified in sections 3, 4, or 5 of this
specification. This section does not include documents cited in other sections of this specification or
recommended for additional information or as examples. While every effort has been made to ensure the
completeness of this list, document users are cautioned that they must meet all specified requirements
documents cited in sections 3, 4, or 5 of this specification, whether or not they are listed.
Comments, suggestions, or questions on this document should be addressed to: Defense Supply
Center Columbus, Attn: VAI, P.O. Box 3990, Columbus, Ohio, 43218-3990 or emailed to
Sound@dscc.dla.mil. Since contact information can change, you may want to verify the currency
of this address information using the ASSIST Online database at https://assist.daps.dla.mil.
AMSC N/A
FSC 5965
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