MIL-PRF-26542 Microphone, And Microphone Assemblies, Dynamic General Specification ForThis specification covers the general requirements for moving coil, noise-canceling dynamic microphones. The products described herein are used in oxygen and gas-masks, and headset-microphones \(boom-mounted and protective-shield mounted\). These parts provide communications within moderate to high noise environments, at ground level and altitude, as specified, and meet established United States Air Force sensitivity standards \(see 6.1\).

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MIL-PRF-26542F

6.8 Fungus (see 3.5.25 and 4.5.23). The contractor may use Guideline 4 � Fungus-Inert Materials,

within MIL-HDBK-454.

(Copies of this document are available online at https://assist.dla.mil/quicksearch/ or from the

Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA

19111-5094.)

6.9 Changes from previous issue. The margins of this specification are marked with vertical lines to

indicate where changes from the previous issue were made. This was done as a convenience only and

the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and

contractors are cautioned to evaluate the requirements of this document based upon the entire content,

regardless of the marginal notations and relationship to the last previous issue.

CONCLUDING MATERIAL

Custodians:

Preparing activity:

Army � CR

DLA � CC

Navy � EC

Air Force � 85

(Project 5965-2010-002)

DLA � CC

Review activities:

Army � AT, AV, CR4

Navy � AS, OS

Air Force � 99

NOTE: The activities listed above were interested in this document as of the date of this document.

Since organizations and responsibilities can change, you should verify the currency of the information

above using the ASSIST Online database at https://assist.dla.mil.