1、- MIL-1-85832 57 W 7977706 03806115 7 I INCH POUNDI MIL-I-85832(AS) 6 November 1989 MILITARY SPECIFICATION INTERCOM, HELICOPTER AIRCREWMAN, CHEMICAL, BIOLOGICAL, RADIOLOGICAL PROTECTIVE SET . . This specification is approved for use within the Naval Air System Command, Department of the Navy, and is
2、 available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE - 1.1 Scope. This specification establishes the requirements for the manufacture and acceptance of a small, Tight weight, battery powered, intercom to be used with and form part of the Protective Assembly, Heli
3、copter Aircrewman, Chemical, Biological, Radiological (PASS). 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications, standards, and handbooks. The following specifications standards, and handbooks, form a part of this specification to the extent specified herein. Unless otherwise sp
4、ecified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation. SPECIFICATIONS FED ERAL PPP-6-636 - Box, Shipping, Fiberboard. P P P-c- 7 9 5 - Cushioning Material
5、, Flexible Cellular Plastic Film for Packaging Applications. PPP-C-1842 - Cushioning Material, Plastic, Open Cell (For Packaging Applications). Beneficial comments(recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Com
6、manding Officer, Naval Air Engineering Center, Systems Engineering and Standardization Department (Code 53), Lakehurst, NJ 08733-5100, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC NIA THIS DOCUMENT C
7、ONTAINS g# PAGES* FSC 5965 DISTRIBUTION STATEMENT A. Approved for pub1 ic release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MI L-I-85832(AS MI L I TA RY MIL-P-116 MIL-B-117 MI L-E-5400 MIL-A-8625 MI L-C-9 1 77/ 1 MI
8、L-W-16878 MI L-N-18307 MI L-P-28809 MIL-P-55110 MIL-P-85833 STANDARDS FEDERAL F ED-STD-595 MILITARY DOD-STO-100 MI L-STD-105 MIL-STO-129 MIL-STD-130 MIL-STD-143 MI L-STD-2 1 O MIL-STO-454 Preservation, Methods of. Bags, Sleeves and Tubing-Interior Pac kag i ng . General Specification for Aerospace E
9、lectroni c Equipment. Anodi c Coati ngs for AI umi num and Aluminum Al loys. Connector, Audio, Airborne, Plug, 4 Contact. General Specification for Insulated Electrical Wire. Nomenclature and Indentification for Aeronautical Systems Including Joint Electronics Type Designated Systems and Associated
10、Support Systems. Printed Wiring Assembl ies. Printed Wiring Boards. Protective Assembly, Helicopter Aircrewman, Chemical, Biological, Radiological. Colors. Engineering Drawing Practices. Sampl i ng Procedures and Tables for Inspection by Attributes. Marking for Shipment and Storage. Identification M
11、arking of U.S. Military Property . Order of Precedence for the Selection of Standards and Specifications. Climatic Extremes for Military Equipment. Standard General Requirements for El ec troni c Equi pment . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from I
12、HS-,-,-MIL-1-85832 57 7777906 0180647 O 0 , O .r a DOD-STD-480 MI L-STD-483 . MI L-STD-490 MI L-STD-781 MI L-STD-794 MI L-STD-81 O MI L-STD-889 MI L-STD-1189 HANDBOOKS MIL-HDBK-695 - Configuration Control - Engineering Changes, Deviations and Waivers. - Configuration Management Practices for Systems
13、, Equipment, Munitions and Computer Programs. - Specification Practices. - Reliability Design Qualification and Production Acceptance Tests: Exponential Distribution. - Parts and Equipment, Procedures for Packaging of. - Environmental Test Methods and Engineering Guidelines. - Dissimilar Metals. - S
14、tandard Department of Defense Bar Code Symbology . - Rubber Products: Recommended Shelf Life. 2.1.2 Other Government documents. The fol lowing other Government documents forms a Dart of this specification to the extent sDecified herein. Unless otherwise specified, the issues shall be those in effect
15、 on the date of the solicitation. . Naval Air Systems Command SD-24 - General Specification for Design and NAVAIR 13-1-6.7 - Aviation-Crew Systems Aircrew Personnel Construction of Aircraft Weapon Systems. Protective Equipment. s Headquarters, Department of the Army Army Field _ - NBC Decontaminatio
16、n. Manual FM 3-5 . . (Copies of specifications, standards, handbooks and other Government documents required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting activity.) 3 Provided by IHSNot for ResaleN
17、o reproduction or networking permitted without license from IHS-,-,-2.2 Other publications. The following documents form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted shall be those listed in the issue of th
18、e DODISS specified in the solicitation. Unless otherwised specified, the issues of documents not listed in the DODISS shall be the issue of the nungovernment documents which is current on the date of the solicf tation. AEROSPACE MATERIALS SPEC1 FICATIONS AMS-3238 - Butyl Rubber, Phosphate Ester Resi
19、 stant. (Appl ication for copies should be addressed to the Society of Automotive Engineers, 400 Commonwealth Drive, Warrendale, PA 15096.) AMERICAN SOCIETY FOR TESTING AND MATERIALS ASTM D 3951 - Commerci al Packaging . (Application for copies should be addressed to the American Society for Testing
20、 and Materials, 1916 Race Street, Philadelphia, PA 19103.) 2.3 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein, the text of this specification shall take precedence, Nothing in this specification, however, shall supersede applica
21、ble laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Qualification. Intercoms furnished under this specification shall be products which are authorized by the qualifying activity for listing on the applicable qualified products list at the time set for the open
22、ing of bids (see 4.3 and 6.3). 3.2 First article. When specified in the contract or purchase order, a sample shall be subjected to first article inspection (see 4.4 and 6.4). 3.3 Selection of specifications and standards. Specifications and standards for necessary commodities and services not specif
23、ied herein shall be selected as specified in MIL-STD-143. 3.4 Material s. Materials referenced herein shall conform to applicable specifications and standards. Materials that are not covered by specifications and that are not specifically described herein shall be the best quality and the lightest p
24、ractical weight. resistant, or suitably treated to resist corrosion due to fuels, salt spray, environmental, chemical or biological warfare conditions. Materials shall be corrosion Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-1-85832 57 W 7777
25、706 0180647 4 3.4.1 Aluminum alloy. Aluminum alloy parts shall be anodically treated as To provide adequate bonding, the aluminum oxide fi lm specified in MIL-A-8625. formed by this treatment shall be removed from the actual contact area of all surfaces that act as a path for electrical current and
26、from the areas under fasteners used for assembly or mounting purposes. 3.4.2 Dissimilar metals. Dissimilar metals shall not be used in intimate contact with each other. Dissimilar metals are as specified in MIL-STD-889. 3.4.3 Nonmetalic materials. Rubber seals and O-rings shall meet the 1 3.4.4 Fung
27、us-proof materials. All materials shall be incapable of requirements as specified in AM-3238 and the requirements specified herein. supporting fungoid growth. 3.4.5 Age. Elastomeric components shall be comprised of materials with expected shelf life of greater than 5 years as specified in MIL-HDBK-6
28、95 when consistent with the properties required for functional suitability. These components alone or as part of an assembly shall be delivered to the Government with less than 18 months elapsed from date of cure/manufacture to the date of delivery to the Government. 3.4.6 Toxic materials. The use o
29、f materials which produce toxic effects under any conditions shall be avoided. 3.4.7 Flammable materials. The use of materials which will support combustion shall be avoided. 3.5 Design. The intercom shall be used with and form part of the protective assembly (PASS), as shown in Figure 1. The design
30、 and construction of the intercom shall be as specified in MIL-E-5400 and the specifications listed herein. The intercom shall meet the requirements as specified in MIL-P-85833 and this specification. The intercom shall be designed as shown on Figure 2. The intercom shall be a small lightweight batt
31、ery powered unit suitable for attachment to components of the aircrew ensemble without modification of the garments. The intercom shall be suitable for use both indoors and outdoors and while the user is donning and doffing his chemical, biological, radiological (CBR) protective ensemble. The interc
32、om shall provide the user with good auditory response to his immediate surroundings while leaving both hands free. Battery ON/OFF switching shall be activated by the insertion of the headset jack plug into either of the jack sockets. Battery replacement shall be readily effected with CBR gloved hand
33、s. desi gn shall permit decontami nation using materi al s and procedures of Army FM 3-5 without damage to or deterioration of the intercom. shall include provisions for preventing moisture and contaminants from entering and collecting inside the intercom and to facilitate inspection, servicing, mai
34、ntenance and cleaning. The The design 3.5.1 Storage life. The intercom, less battery, shall be designed to meet the performance requirements of this specification after five years storage under worldwide climatic conditions specified in MIL-STD-210, whsn packaged as specified in MIL-STD-794. 5 - Pro
35、vided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.5.2 Interchangeabi 1 i ty. Al 1 parts, subassembl i es and assembl i es having the same part number shall be identical as specified in DOD-STD-480 and DOD-STD-100. When any unit or part is interchanged,
36、the intercom shall meet all performance requirements without adjustment or modification of any part or subassembly. 3,5.3 Printed wiring boards. Printed wiring boards shall be designed as I specified in MIL-P-55110. , I 3.6.2.1 Printed wiring board modifications. Printed wiring board modifications s
37、hall be performed as specified in MIL-P-28809. 3.5.4 Reverse polarity. The intercom shall not be damaged by the inadvertant reversal of the battery polarity. 3.5.5 Sidetone. The amplifier shall provide sidetone into the aircrew helmet headset specified in NAVAIR 13-1-6.7. 3 6 Construction. 3.6.1 Sta
38、ndard parts. Military standard parts shall be used whenever they are suitab-le for the purpose. Standard parts shall be as specified in MIL-E-5400. 3.6.1.1 Nonstandard parts approval. Request for approval for the use of nonstandard parts shall be as specified in MIL-STD-965, Procedure I. 3.6.2 Selec
39、tion of printed wiring boards. The 5election of parts and material shall be as specified in MIL-STD-454. Reauirement 17 or with the approval of the acquiring activity. Microelectrii technology should be utilized to the fullest extent possible. the intercom shall function within the limits of this sp
40、ecification after extended inoperative periods while carried in mi li tary aircraft and subjected to the varied range of environmental conditions defined herein. Nonrepairable subassemblies, as outlined in MIL-E-5400, shall be used when practical. Components shall be rated so that 3.6.2.2 Electronic
41、 components. Ali electronic compnents shall be as specified in MIL-STD-454. 3.6.3 Insulating material. Electrical insulating materials shall be as specified in MIL-STD-454, Requirement II, Insulation for power circuits shall be arc resistant as specified in MIL-STD-454, Requirement 26. 3.6.4 Encapsu
42、lation and embedment. Materials for encapsulation and embedment shall be as specified in MIL-STD-454, Requirement 47. 3.6.5 Semiconductor devices. Semiconductor devices shall be selected and applied as specified in MIL-STD-454, Requirement 30. Microelectronic devices shall be selected and applied as
43、 specified in MIL-STD-454, Requirement 64. Use of nonstandard parts shall be substantiated by reliability data or testing to assure adequate devi ce re1 iabi 1 i ty for the appl i cation. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-1-85832 57
44、 7779706 OL8065L 2 W o o O MIL-I-85832(AS 3.6.6 Resistors. Resistors shall be as specified in MIL-STD-454, 3.6.7 Capacitors. Capacitors shall be chosen and applied as specified in 3.6.8 Soldering. Soldering shall be as specified in MIL-STD-454, 3.6.9 Relays: Relays shall be as specified in MIL-STD-4
45、54, Requirement 57. Requirement 33. MIL-STD-454, Requirement 2. Requirement 5. 3.6.10 Wiring. Wiring shall be as spec 3.7 Hardware. 3.7.1 Fasteners. All fasteners, includ washers and hinges shall be as specified in wire, type B, or equal. fied in MIL-W-16878, 20 gauge ng bolts, screws, nuts, rivets,
46、 SD-24. 3.8 Quantitative reliability requirements. When tested in accordance with MIL-STD-781 as specified in 4.8.2.10, the mean time between failure (MTBF) for the intercom, based on an exponential distribution of failure times, the lower single sided 90 percent confidence limit, shall be 500 hours
47、 (excluding batteries). The performance requirements specified in 3.9.1, 3.9.2, 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7, 3.9.8, and 3.9.9 shall be the reliability requirements for determining mean time between failures. 3.9 Performance. 3.9.1 ON/OFF switching. The intercom shall be tested as specified in
48、4.8.2.1. Battery ONIOFF switching shall be achieved by the insertion of the headset assembly jack plug into either of the microphone/telephone sockets. 3.9.1.1 Endurance. The intercom switch shall be cycled 1000 times and shall operate with no failure when tested as specified in 4.8.2.1.1. 3.9.2 Out
49、put power and current consumption. The intercom shall be tested as specified in 4.8.2.2. Current consumption shall be not cireater than 16 mA. d.c. in receive mode and 50 mA. d.c. in transmit mode. 3.9.3 Frequency response. The intercom shall be tested as specified in 4.8.2.3. 6 dB. relative to 2000 Hz. The audio frequency response of the amplifier shall be better than 5 3.9.4 Distortion. The intercom shall be tested as specified in 4.8.2.4. The distortion sha
