ARMY MIL-D-64022-1991 DISTRIBUTION BOX ASSEMBLY 8438325《8438325型配电箱零件》.pdf
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1、MIL-D-64022 61 7999906 0530049 -T m- . a - .- MIL-D-64022 (AR) 11 September 1991 MILITARY SPECIFICATION DISTRIBUTION BOX ASSEMBLY: 8438325 This specification is approved for use by the US Army Armament, Munitions and Chemical Command, and is avail ble fl r use by all Department and agencies of the D
2、epartment of Defense. 1. SCOPE 1.1 Scope. This specification covers the general requirements and tests for a distribution box assembly, hereafter referred to as the D-box. The D-box, is a part of the Vulcan Weapon System M163A1 and M167A1. (see 6.1) 2. APPLICABLE DOCUMENTS 2.1 Government documents.
3、2.1.1 Specifications, standards and handbooks. The following specifications, standards and handbooks form a part of this specification to the extent specified herein. specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Stand
4、ards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). Unless otherwise 0 SPECIFICATIONS MILITARY MIL-F-13926 Fire Control Materiel, General Specification covering the Manufacture and Inspection of MIL-1-45607 Inspection Equipment, Acquisition, Maintenance and Disposition of MIL-
5、L-3661/5 Lampholder, Housing, Indicator Light, Style LH73 MIL-L-3661/12 Lampholder, Lens, indicator Light, Style LC.2 Bene6cial comments (recommendatim, additions, deletions) and any pertinent data which may be of use in improving this document should be ackhesed to: Commander, U.S. Amny ARDEZ, AITN
6、: SMCAR-BAGS, Picathy Arsenal, New Jmy 07806-5000 by using the self-addressed Standardization Document improvement Proposai (DD Form 1426) appeariog at the end of this document OT by letter. AMSC NIA mc 6110 1 Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo re
7、production or networking permitted without license from IHS-,-,-MIL-D-b4022 b1 99999Ob 0510050 b MIL-D-64022 (AR) STANDARDS MIL I TARY MIL-STD-109 MIL-STD-810 Environmental Test Methods and Engineering MIL-STD-2000 Standard Requirements for Soldering Quality Assurance Terms and Definitions Guideline
8、s Electrical and Electronic Assemblies (Unless otherwise indicated, copies of federal and military specifications, standards, and handbooks are available from the Standardization Documents Order Desk, Bldg. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.1.2 Other Government documents, drawi
9、nqs, 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 are those cited in the solicitation. DRAWINGS (see 6.4) Us ARMY ARMAMENT RESEARCH, DEVELOPMENT AND ENGINEERI
10、NG CENTER ( ARDEC ) 8438308 Wiring, Installation of, Distribution Box 8438325 Distribution Box Assembly 8438346 Component Assembly, Slew 8438351 Schematic Diagram, Electrical Disk Box PACKAGING DATA SHEET PS8438325 Packaging of Distribution Box Assembly (Copies of drawings and packaging data sheets
11、required by the suppliers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) 2.2 Order of precedence. In the event of a conflict between the text of this document and the references cited herein the text of thi
12、s document takes precedence. supersedes applicable laws and regulations unless a specific exemption has been obtained. Nothing in this document, however, 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-64022 61 M 9999906 0510051 8 M blIL-D-64
13、022 (AR) 3. REQUIREMENTS 3.1 Materials. Materials shall be in accordance with the applicable drawings and specifications. 3.2 Components and assemblies. The components and assemblies shall comply with all requirements specified on Drawing 8438325 all associated drawings, and with all. requirements s
14、pecified in applicable specifications and standards. Where applicable, the D-box shall meet the requirements of MIL-F-13926 as follows: i b C a. Dimensions and tolerances. b. Inorganic protective surface finishings. c. Part identification and marking. d. Workmanship. 3.3. Environmental service condi
15、tions. 3.3.1 Vibration. The D-box shall be mounted on the vibration table in normal service position. The D-box shall meet the requirements of 3.4 after being subjected to continuous vibration for 2 hours along each of three mutually perpendicular axes within the frequency range of 10 to 55 Hertz (H
16、z) and a half amplitude excursion of 1/64 inch. The rate of change of frequency shall not exceed 1 Hz per second. Vibration tests shall be conducted under ambient room conditions. 3.3.2 Shock. The D-box shall not suffer damage and shall meet 0 the requirements of 3.4 after being subjected to 18 impa
17、ct shocks, consisting of three shocks in opposite directions, along each of three mutually perpendicular axes. The shock pulse shall have an acceleration of 15 gravity units (G) and a pulse duration of 11 2 1 milliseconds (ms). The G value of each impulse shall be within + 10 percent when measured w
18、ith a 0.2 to 250 Hz filter and the maximum G shall occur at approximately 5.5ms. 3.3.3 Altitude. 3.3.3.1 Operatinq. The D-box shall meet the requirements of 3.4 during and after exposure to barometric pressure encountered at 10,000 feet above sea level (20.6 inches Hg). 3.3.3.2 Nonoperating. The D-b
19、ox shall meet the requirements of 3.4 after exposure for not less than 10 minutes to barometric pressure encountered at 40,000 feet above sea level (5.5 inches Hg). 3.3.4 Temperature. 3.3.4.1 Operatinq. The D-box shall meet the requirements of 3.4 when stabilized thermally at any temperature from -4
20、0 deg.F to +155 deg.F. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-64022 bL H Ob 0510052 T MIL-D-64022 (AR) 3.3.4.2 Nonoperating (storaqe). The D-box shall not suffer permanent damage when subjected to temperature extreme of -65 deg.F for
21、 a period of 24 hours and +160 deg.F for a period of 48 hours (after temperature stabilization), and shall meet the requirements of 3.4 when returned to room ambient. 3.3.5 Humidity (nonoperating). The D-box shall meet the requirements of 3.4 after exposure to an atmosphere with a relative humidity
22、of 95 - +5 percent for a period of not less than 10 days. 3.4 Electrical. 3.4.1 Continuity. Each conductor shall be electrically continuous as specified by drawing 8438308 Wiring, Installation of, Distribution Box. 3.4.2 Functional. The symbols reference in subsequent 3.4.2.1 Meters. The D-box shall
23、 contain meters to indicate the paragraphs pertain to electrical schematic drawing 8438351. auxiliary power input voltage and current. 3.4.2.1.1 Volmeter (M2). The volmeter shall indicate zero to 50 Vdc. 3.4.2.1.2 Ammeter (Ml). The ammeter shall indicate zero to 100 Adc. The meter shall be a 50mV fu
24、ll scale type using an external shunt resistor. 3.4.2.2 Circuit breakers. 3.4.2.2.1 Siqht Gyro power circuit. The gyro power circuit shall contain a 115V, three phase, 400 Hz, 3A circuit breaker (CB4). It shall be possible to reset the circuit breaker from the front panel. 3.4.2.2.2 Siqht current qe
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