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NPFC - MIL-PRF-87819/4

HEADSET-MICROPHONE, HEARING PROTECTIVE TYPE MODERATE AMBIENT NOISE LEVELS, UP TO 105 dB, INFLIGHT AIRCREW HEADSET-MICROPHONE, M87819/4-01

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Organization: NPFC
Publication Date: 30 September 2009
Status: inactive
Page Count: 5

Document History

MIL-PRF-87819/4
November 29, 2019
Headset-Microphone, Hearing Protective Type Moderate Ambient Noise Levels, up to 105 dB, Inflight Aircrew Headset-Microphone, M87819/4-01
A description is not available for this item.
MIL-PRF-87819/4
February 23, 2015
HEADSET-MICROPHONE, HEARING PROTECTIVE TYPE MODERATE AMBIENT NOISE LEVELS, UP TO 105 dB, INFLIGHT AIRCREW HEADSET-MICROPHONE, M87819/4-01
A description is not available for this item.
MIL-PRF-87819/4
September 30, 2009
HEADSET-MICROPHONE, HEARING PROTECTIVE TYPE MODERATE AMBIENT NOISE LEVELS, UP TO 105 dB, INFLIGHT AIRCREW HEADSET-MICROPHONE, M87819/4-01
A description is not available for this item.
MIL-PRF-87819/4
January 30, 1997
HEADSET-MICROPHONE, HEARING PROTECTIVE TYPE MODERATE AMBIENT NOISE LEVELS, UP TO 105 DB, INFLIGHT AIRCREW HEADSET-MICROPHONE, M87819/4-01
A description is not available for this item.

References

This document references:
ANSI/ASA S12.42 - American National Standard Methods for the Measurement of Insertion Loss of Hearing Protection Devices in Continuous or Impulsive Noise Using Microphone-in-Real-Ear or Acoustic Test Fixture Procedures
Published by ASA on January 11, 2010
This standard provides methods for the measurement of the insertion loss of hearing protection devices in specified continuous and impulsive noise environments. The microphone-in-real-ear (MIRE)...
This document references:
MIL-DTL-9177/2D VALID NOTICE 1 - Connector, Audio, Airborne, Plug, Miniature, 4 Contact
Published by DLA on October 2, 2023
A description is not available for this item.
This document references:
MIL-PRF-25670/2 - EARPHONE ELEMENT, HIGH AND LOW-ALTITUDE, H-143/AIC AND LOW-ALTITUDE, WATER-IMMERSIBLE, H-143A/AIC
Published by NPFC on September 12, 2014
Earphone elements H-143/AIC and H-143A/AIC are low-impedance, light-weight transducers used in noise-attenuating communication headsets. The H-143/AIC is a replaceable component of the...
This document references:
MIL-PRF-26542/2 - Microphone and Microphone Assemblies, M87/AIC, M26542/2-01, M26542/2-02, M26542/2-03, and M26542/2-04
Published by NPFC on June 14, 2019
A description is not available for this item.
This document is referenced by:
MIL-PRF-87819 - HEADSET-MICROPHONE, (HEARING PROTECTIVE TYPE, HIGH AND MODERATE AMBIENT NOISE LEVELS), GENERAL SPECIFICATION FOR
Published by NPFC on December 21, 2020
Scope. This specification covers the requirements for headset-microphones with rigid headband. These parts meet established requirements for communications equipment used to protect against hazardous...
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