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NPFC - MIL-DTL-21393

MICROPHONE, DYNAMIC, M21393/1-01, M21393/2-01, AND M21393/3-01

active, Most Current
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Organization: NPFC
Publication Date: 30 April 2013
Status: active
Page Count: 25
scope:

This specification covers 2 (two) hand-held Dynamic Microphones, with or without a selfcontained transistor amplifier and different connectors for use in unique military equipment. A wallmounted holder is also included.

intended Use:

It is intended that these microphones convert normal speech input to electrical signals suitable for connection to speech amplifiers and or modulators of radio or audio equipment. The M21393/1-01... View More

Document History

MIL-DTL-21393B (2)
May 10, 2023
MICROPHONE, DYNAMIC, M21393/1-01, AND M21393/3-01
It is intended that these microphones convert normal speech input to electrical signals suitable for connection to speech amplifiers and or modulators of radio or audio equipment. The M21393/1-01...
MIL-DTL-21393
February 28, 2018
MICROPHONE, DYNAMIC, M21393/1-01, M21393/2-01, AND M21393/3-01
A description is not available for this item.
MIL-DTL-21393
February 7, 2018
MICROPHONE, DYNAMIC, M21393/1-01, M21393/2-01, AND M21393/3-01
A description is not available for this item.
MIL-DTL-21393
April 30, 2013
MICROPHONE, DYNAMIC, M21393/1-01, M21393/2-01, AND M21393/3-01
It is intended that these microphones convert normal speech input to electrical signals suitable for connection to speech amplifiers and or modulators of radio or audio equipment. The M21393/1-01...
MIL-DTL-21393B
May 12, 2005
MICROPHONE, DYNAMIC, M21393/1-01, M21393/2-01, AND M21393/3-01
It is intended that these microphones convert normal speech input to electrical signals suitable for connection to speech amplifiers and or modulators of radio or audio equipment. The M21393/1-01...
MIL-M-21393
August 8, 2002
MICROPHONE, DYNAMIC, M21393/1-01, M21393/2-01, AND M21393/3-01
A description is not available for this item.
MIL-M-21393
March 30, 1999
MICROPHONE, DYNAMIC, M21393/1-01, M21393/2-01, AND M21393/3-01
A description is not available for this item.
MIL-M-21393
November 15, 1968
MICROPHONE, DYNAMIC, M21393/1-01, M21393/2-01, AND M21393/3-01
A description is not available for this item.
MIL-M-21393
July 1, 1967
MICROPHONE, DYNAMIC, M21393/1-01, M21393/2-01, AND M21393/3-01
A description is not available for this item.
MIL-M-21393A (3)
October 1, 1964
MICROPHONE, DYNAMIC, M21393/1-01, M21393/2-01, AND M21393/3-01
A description is not available for this item.
MIL-M-21393
July 1, 1960
MICROPHONE, DYNAMIC, M21393/1-01, M21393/2-01, AND M21393/3-01
This specification covers hand-held Dynamic Microphone M-92/U with self-contained transistor amplifiers for use in military equipment. The microphone shall be of one type and shall consist of the...
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References

This document references:
MIL-DTL-21393/2 - MICROPHONE, DYNAMIC M21393/2-01
Published by NPFC on April 30, 2013
A description is not available for this item.
This document references:
ASTM D3955 - Standard Specification for Electrical Insulating Varnishes
Published by ASTM on August 1, 2020
This specification covers the tests and values for electrical insulating varnishes, as supplied, which are suitable for the impregnation and treatment of electrical coils and windings applied by dip...
This document references:
ASTM D5927 - Standard Classification System for and Basis for Specifications for Thermoplastic Polyester (TPES) Injection and Extrusion Materials Based on ISO Test Methods
Published by ASTM on March 1, 2017
This classification system covers thermoplastic polyester materials suitable for molding or extrusion. This classification system allows for the use of recycled thermoplastic polyester materials...
This document references:
IEC 60455-1 - Resin Based Reactive Compounds Used for Electrical Insulation - Part 1: Definitions and General Requirements
Published by IEC on August 1, 1998
A description is not available for this item.
This document references:
IEC 60455-2 - Resin Based Reactive Compounds Used for Electrical Insulation - Part 2: Methods of Test
Published by IEC on June 1, 2015
This part of IEC 60455 specifies methods of test to be used for testing resin based reactive compounds, their components and cured compounds used for electrical insulation.
This document references:
IEC 60455-2-2 - Specification for solventless polymerisable resinous compounds used for electrical insulation Part 2: Methods of test Test methods for coating powders for electrical purposes
Published by IEC on January 1, 1984
This standard gives methods of test for thermo-setting coating powders as defined in Subclause 3.7 of I EC Publication 455-1 : Specification for Solventless Polymerisable Resinous Compounds used for...
This document references:
MIL-DTL-21393/2 - MICROPHONE, DYNAMIC M21393/2-01
Published by NPFC on April 30, 2013
A description is not available for this item.
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