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NPFC - MIL-PRF-25670/2

EARPHONE ELEMENT, HIGH AND LOW-ALTITUDE, H-143/AIC AND LOW-ALTITUDE, WATER-IMMERSIBLE, H-143A/AIC

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Organization: NPFC
Publication Date: 12 September 2014
Status: active
Page Count: 7
intended Use:

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... View More

Document History

MIL-PRF-25670/2
August 23, 2019
Earphone Element, High and Low-Altitude, H-143/AIC, and Low- Altitude, Water-Immersible, H-143A/AIC
A description is not available for this item.
MIL-PRF-25670/2
September 12, 2014
EARPHONE ELEMENT, HIGH AND LOW-ALTITUDE, H-143/AIC AND LOW-ALTITUDE, WATER-IMMERSIBLE, H-143A/AIC
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...
MIL-PRF-25670/2
April 30, 2007
EARPHONE ELEMENT, HIGH AND LOW-ALTITUDE, H-143/AIC, AND LOW-ALTITUDE, WATER-IMMERSIBLE, H-143A/AIC
A description is not available for this item.
MIL-PRF-25670/2
July 19, 2002
EARPHONE ELEMENT, HIGH AND LOW-ALTITUDE, H-143/AIC AND LOW-ALTITUDE, WATER-IMMERSIBLE, H-143A/AIC
A description is not available for this item.
MIL-PRF-25670/2
May 30, 1997
EARPHONE ELEMENT, HIGH AND LOW-ALTITUDE, H-143/AIC AND LOW-ALTITUDE, WATER-IMMERSIBLE, H-143A/AIC
Earphone elements H-143/AIC and H-143A/AIC are low-impedance, light-weight transducers used in noise-attenuating communications headsets. The H-143/AIC is a replaceable component of the...
MIL-E-25670/2
February 27, 1987
EARPHONE ELEMENT, HIGH AND LOW-ALTITUDE, H-143/AIC AND LOW-ALTITUDE, WATER-IMMERSIBLE, H-143A/AIC
A description is not available for this item.
MIL-E-25670/2
February 20, 1980
EARPHONE ELEMENT, HIGH AND LOW-ALTITUDE, H-143/AIC AND LOW-ALTITUDE, WATER-IMMERSIBLE, H-143A/AIC
This specification sheet is approved for use by the Air Force Acquisition Logistics Division, Directorate of Electronic Support (AFALD/PTES), Wright-Patterson AFB, Ohio, 45433, Department of the Air...
MIL-E-25670/2
February 13, 1979
EARPHONE ELEMENT, HIGH AND LOW-ALTITUDE, H-143/AIC AND LOW-ALTITUDE, WATER-IMMERSIBLE, H-143A/AIC
A description is not available for this item.
MIL-E-25670/2
May 16, 1977
EARPHONE ELEMENT, HIGH AND LOW-ALTITUDE, H-143/AIC AND LOW-ALTITUDE, WATER-IMMERSIBLE, H-143A/AIC
A description is not available for this item.
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References

This document references:
MIL-DTL-83425 - EARCUP, SOUND PROTECTIVE MX-8376/AR
Published by NPFC on May 4, 2018
This specification covers a sound protective earcup for the HGU-26/P flight helmet. The earcup is designated MX-8376/AR.
This document references:
MIL-DTL-83511 - Headset-Microphone and Headset-Electrical (Medium Noise Attenuation, Hearing Protective), General Specification for
Published by NPFC on June 28, 2019
Scope. This specification covers headsets and headset-microphone assemblies intended for use in medium ambient noise level environments of 85-105 dBA SPL (Sound Pressure Level). These...
This document references:
MIL-DTL-83511 - Headset-Microphone and Headset-Electrical (Medium Noise Attenuation, Hearing Protective), General Specification for
Published by NPFC on June 28, 2019
Scope. This specification covers headsets and headset-microphone assemblies intended for use in medium ambient noise level environments of 85-105 dBA SPL (Sound Pressure Level). These...
This document references:
MIL-DTL-83425 - EARCUP, SOUND PROTECTIVE MX-8376/AR
Published by NPFC on May 4, 2018
This specification covers a sound protective earcup for the HGU-26/P flight helmet. The earcup is designated MX-8376/AR.
This document references:
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...
This document references:
MIL-STD-810 - ENVIRONMENTAL ENGINEERING CONSIDERATIONS AND LABORATORY TESTS
Published by NPFC on January 31, 2019
Purpose. This Standard contains materiel acquisition program planning and engineering direction for considering the influences that environmental stresses have on materiel throughout all phases of...
This document is referenced by:
MIL-PRF-87819/4 - Headset-Microphone, Hearing Protective Type Moderate Ambient Noise Levels, up to 105 dB, Inflight Aircrew Headset-Microphone, M87819/4-01
Published by NPFC on November 29, 2019
A description is not available for this item.
This document is referenced by:
MIL-PRF-87819/5 - Headset-Microphone, Hearing Protective Type Moderate Ambient Noise Levels, up to 105 dB, Enlarged Earcup, Inflight Aircrew Headset-Microphone, M87819/5-01
Published by NPFC on November 29, 2019
A description is not available for this item.
This document is referenced by:
MIL-PRF-87819/1 - Headset-Microphone, Hearing Protective Type High Ambient Noise Levels, 105-125 dB, M87819/1-O1
Published by NPFC on November 29, 2019
A description is not available for this item.
This document is referenced by:
MIL-DTL-27467 - HEADSET, ELECTRICAL H-154A/AIC
Published by NPFC on May 4, 2018
This specification covers one type of headset, designated Electrical Headset H-154A/AIC.
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