DLA MIL-PRF-87819 B-2009 HEADSET-MICROPHONE (HEARING PROTECTIVE TYPE HIGH AND MODERATE AMBIENT NOISE LEVELS) GENERAL SPECIFICATION FOR.pdf
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1、AMSC N/A FSC 5965 PERFORMANCE SPECIFICATION HEADSET-MICROPHONE, (HEARING PROTECTIVE TYPE, HIGH AND MODERATE AMBIENT NOISE LEVELS), GENERAL SPECIFICATION FOR This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification cov
2、ers the requirements for headset-microphone with rigid headband. These parts meet established requirements for communications equipment used to protect against hazardous noise exposure and are approved for use in certain high and moderate ambient noise level applications (see 6.1). The term headset
3、is to be used interchangeably for headset-microphone and is used when referring to any of the articles covered in this specification. 1.2 Classification. 1.2.1 Part or Identifying Number (PIN) (see 3.6). The term PIN is equivalent to the term (part number, identification number, and type designator)
4、, which was previously used in this specification. The products specified herein (see 3.1) are identified by military PINs, which consist of the basic specification number, slash number of the specification sheet, and a sequentially assigned number as shown in the following example. M 87819 /XX -01
5、Sequentially assigned number Specification sheet number Basic specification M prefix 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 specifica
6、tion 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 of documents cited in sections 3, 4, or 5 of this specification, whether or not they ar
7、e listed. INCH-POUND MIL-PRF-87819B 30 September 2009 SUPERSEDING MIL-PRF-87819A(USAF) 30 January 1997 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 sounddscc.dla.mil. S
8、ince contact information can change, you may want to verify the currency of this address information using the ASSIST Online database at http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-87819B 2 2.2 Government docume
9、nts. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. DEPARTMENT OF DEFENSE SP
10、ECIFICATIONS MIL-DTL-55668 - Cord, Electrical, Audio, Subminiature (Retractile And Straight). MIL-DTL-9177/2 - Connector, Audio, Airborne, Plug, Miniature, 4 Contact. MIL-PRF-87819/1 - Headset-Microphone, Hearing Protective Type High Ambient Noise Levels, 105-125 dB, M87819/1-01. MIL-PRF-87819/4 - H
11、eadset-Microphone, Hearing Protective Type Moderate Ambient Noise Levels, 105 dB, In-flight Aircrew Headset-Microphone, M87819/4-01. MIL-PRF-87819/5 - Headset-Microphone, Hearing Protective Type Moderate Ambient Noise Levels, 105 dB, Enlarged Earcup, In-flight Aircrew Headset-Microphone, M87819/5-01
12、. MIL-PRF-87819/6 - Headset-Microphone, Hearing Protective Type Moderate Ambient Noise Levels, 105 dB, Enlarged Earcup, In-flight Aircrew Headset-Microphone, M87819/6-01 DEPARTMENT OF DEFENSE STANDARDS MIL-STD-202 - Test Methods for Electronic and Electrical Component Parts. MIL-STD-810 - Environmen
13、tal Test Methods and Engineering Guidelines. MIL-STD-1285 - Marking of Electrical and Electronic Parts. (Copies of these documents are available online at http:/assist.daps.dla.mil/quicksearch/ or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5
14、094.) 2.2.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contr
15、act. DRAWINGS U.S. Air Force (CAGE 97151) 57B12662 - Plug connector, Electrical U-173/U, Assembly of 9312801 - Earphone Cushion - Headset. (Copies of these documents are available online at http:/www.dscc.dla.mil/programs/milspec/ or from the Defense Supply Center Columbus, ATTN: VAI, P.O. Box 3990,
16、 Columbus, Ohio 43218-3990.) 2.3 Non-Government publications. The following documents from a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) A
17、NSI S3.2 - Method for the Measurement the Intelligibility of Speech over Communication Systems. ANSI S3.7 - Method for Coupler Calibration of Earphones. ANSI S12.42 - Microphone-In-Real-Ear and Acoustic Testing Methods for the measurement of Insertion Loss of Circumaural Hearing Protection Devices.
18、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-87819B 3 (Copies of these documents are available online at http:/www.ansi.org or from the American National Standard Institute, 25 West 43 Street, 4thFloor, New York, NY 10036.) ASTM INTERNATIO
19、NAL ASTM D454 - Test Method for Rubber Deterioration by Heat and Air Pressure. ASTM D470 - Standard Test Methods for Crosslinked Insulations and Jackets for Wire and Cable. ASTM D572 - Test Method for Rubber-Deterioration by Heat and Oxygen. ASTM D573 - Test Method for Rubber Deterioration in an Air
20、 Oven. ASTM D866 - Standard Specification for Crosslinked Styrene-Butadiene (SBR) Synthetic Rubber Jacket for Wire and Cable. ASTM D3574 - Standard Test Methods for Flexible Cellular Materials Slab, Bonded, and Molded Urethane Foams. (Copies of these documents are available online at http:/www.astm.
21、org or from the ASTM International, P.O. Box C700, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) ISO -17025 - General requirements for the competence of testing and calibration laboratories (Copies of these documents are available onli
22、ne at http:/www.iso.ch or from the International Organization for Standardization American National Standards Institute, 11 West 42ndStreet, 13thFloor, New York, NY 10036.) NCSL INTERNATIONAL NCSL Z540.3 - Requirements for the Calibration of Measuring and Test Equipment (Copies of these documents ar
23、e available online at http:/www.ncsli.org or from NCSL International 2995 Wilderness Place, Suite 107 Boulder, Colorado 80301-5404) 2.4 Order of precedence. Unless otherwise noted herein or the contract, in the event of a conflict between the text of this document and the references cited herein (ex
24、cept for related specification sheets), the text of this specification takes precedence. Nothing in this specification, however, supersedes applicable laws and regulations, unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Specification sheets. The individual item requirements shall
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