1、MIL-PRF-8565K25 June 2001SUPERSEDINGMIL-B-8565J1 July 1984PERFORMANCE SPECIFICATIONBATTERIES, STORAGE, AIRCRAFTGENERAL SPECIFICATION FORThis specification is approved for use by all Departments and Agencies of the Department ofDefense.1. SCOPE1.1 Scope . This specification covers the general require
2、ments for rechargeable aircraftstorage batteries. The batteries are nominal 24-volt batteries that are generally used for mediumcurrent engine starting/utility applications, have non -removable covers, and designed formaintenance -free operation (see 6.15.10).2. APPLICABLE DOCUMENTS2.1 General . The
3、 documents listed in this section are specified in sections 3 and 4 of thisspecification. This section does not include documents cited in other sections of this specificationor recommended for additional information or as examples. While every effort has been made toensure the completeness of this
4、list, document users are cautioned that they must meet allspecified requirements documents cited in sections 3 and 4 of this specification, whether or notthey are listed.AMSC N/A 1 of 38 FSC 61 40DISTRIBUTION STATEMENT A . Approved for public release; distribution is unlimited.Beneficial comments (r
5、ecommendations, additions, deletions) and any pertinent data whichmay be of use in improving this document should be addressed to: Commander, Naval AirWarfare Center Aircraft Division, Code 414100B120 -3, Highway 547, Lakehurst, NJ 08733 -5100, by using the Standardization Document Improvement Propo
6、sal (DD Form 1426)appearing at the end of this document or by letter.METRICProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-8565K22.2 Government documents .2.2.1 Specifications and standards . The following specifications and standards form a
7、partof this document to the extent specified herein. Unless otherwise specified, the issues of thesedocuments are those listed in the issue of the Department of Defense Index of Specifications andStandards (DoDISS) and supplement thereto, cited in the solicitation (see 6.2).SPECIFICATIONSDEPARTMENT
8、OF DEFENSEMIL -PRF -24236 - Switches, Thermostatic, (Metallic and Bimetallic), GeneralSpecification for.(See supplement 1 for list of specification sheets.)STANDARDSFEDERALFED -STD -595 - Colors Used in Government Procurement.DEPARTMENT OF DEFENSEMIL -STD -202 - Test Method Standard Electronic and E
9、lectrical ComponentParts.MIL -STD -704 - Aircraft Electrical Power Characteristics.MS3509 - Receptacles, Electric, Aircraft Storage Battery.(Unless otherwise indicated, copies of the above specifications and standards are availablefrom the Standardization Document Order Desk, 700 Robbins Avenue, Bui
10、lding 4D, Philadelphia,PA 19111-5094.)2.3 Non-government publications . The following document forms a part of this documentto the extent specified herein. Unless otherwise specified, the issues of the documents which areDoD adopted are those listed in the issue of the DoDISS cited in the solicitati
11、on. Unlessotherwise specified, the issues of documents not listed in the DoDISS are the issues of thedocuments cited in the solicitation (see 6.2).Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-8565K3AMERICAN SOCIETY OF MECHANICAL ENGINEERS
12、(ASME)ASME-Y14.38M - Abbreviations and Acronyms.(Application for copies should be addressed to the American Society of MechanicalEngineers, 345 East 47th Street, New York, New York 10017-2392.)2.4 Order of precedence . In the event of a conflict between the text of this document andthe references ci
13、ted herein (except for related associated specifications or specification sheets), thetext of this document takes precedence. Nothing in this document, however, supersedesapplicable laws and regulations unless a specific exemption has been obtained.3. REQUIREMENTS3.1 Specification sheets . The indiv
14、idual item requirements shall be as specified herein and inaccordance with the applicable specification sheet. In the event of any conflict between therequirements of this specification and the specification sheet, the latter shall govern.3.2 Qualification . The batteries furnished under this specif
15、ication shall be products that areauthorized by the qualifying activity for listing on the applicable qualified products list beforecontract award (see 4.2 and 6.4). 3.3 Components . Components that are specified shall be in accordance with the applicablespecification (see 6.11.1). When specified by
16、 the procuring activity or the qualifying activity, themanufacturer shall supply a certification of conformity of the component (see 6.2).3.4 Dissimilar metals . Unless protected against electrolytic corrosion, dissimilar metals shallnot contact each other (see 6.11.2).3.5 Design . Each type of stor
17、age battery covered by this specification is listed in thespecification sheets. The design shall conform to the requirements specified below whenexamined in accordance with the visual and mechanical tests of 4.5.2. Requirements for theindividual types of batteries are specified in the applicable spe
18、cification sheets (see 3.1).3.5.1 General . The battery shall be free from defects that will affect life, functioning, andappearance. Batteries shall not have loose contacts, poor or improper molding or fabrication,damaged or improperly assembled contacts, peeling, flaking or chipping of plating or
19、finish,mechanical damage due to testing environments, nicks or burrs of metal parts of surfaces, norimproper or incorrect marking.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-8565K43.5.2 Batteries . After delivery from the manufacturer, ba
20、tteries shall not require the additionof any substance before being put into service. The battery shall not require any maintenance inmeeting the provisions of this specification (see 6.15.10).3.5.3 Battery container and cover . The battery container and cover shall be free of pits,blow holes, rough
21、 spots, and other deformations. The dimensions and locations of receptacles,hold-downs, vent tubes, and battery identification shall conform to the applicable specificationsheet. The cover shall not be removable from the container. 3.5.4 Venting . Each battery shall include two vent tubes, located a
22、s shown on the applicablespecification sheet. Air shall flow freely into and through any vent tube, across the cells, and exitthrough the other vent tube (see 3.7.e). Each vent tube shall be capable of supporting the testsample such that the requirements of 3.8.5 are met after being tested in accord
23、ance with 4.5.5.3.5.5 Receptacles . Each battery shall include a main power receptacle in accordance withthe applicable specification sheet as the batterys interface to the aircraft electrical system. Thehardness of the wormgear retaining pins within the sockets of receptacles which are dimensionall
24、yequivalent to MS3509 receptacles shall be not less than 55 on the Rockwell C Scale when testedin accordance with 4.5.30.3.5.6 Connectors, intercell . All electrical connections within the battery shall be bysurface -to -surface conduction and not through screw threads.3.5.7 Electrolyte leakage . Ev
25、idence of electrolyte leakage during the performance of any ofthe tests specified in section 4 shall not occur except when tested in accordance with 4.5.18.3.5.8 Voltage . Unless otherwise specified on the applicable specification sheet, the nominalpotential of the battery shall be 24 volts. The bat
26、tery potential shall be not greater than 29.0 voltsat any time, except when constant current charged in accordance with 4.4.3 and when tested inaccordance with 4.5.18.3.5.9 Operating position . The battery shall be capable of operating in any inverted positionor altitude without loss of any electrol
27、yte after being tested in accordance with 4.5.13 and 4.5.14.3.5.10 Heaters . Heaters may be incorporated into batteries to meet the cold temperaturecharging requirements. Heater power shall not be provided during any discharge performed insection 4. Heater power will be pr ovided during all constant
28、 potential charges (see 4.4.2). Whenheaters are incorporated, the following requirements shall apply:a. Heaters shall be powered only by 115 volts alternating current (VAC) power inaccordance with MIL -STD -704 for batteries w eighing not less than 4.0 kg. Other batteries mayuse heaters powered by 1
29、15 VAC or by 28.0 volts direct current (VDC).Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-8565K5b. The rated current of each heater control device shall be compatible with the currentspecified in the applicable battery specification sheet.
30、c. Heater elements and wire assemblies shall be electrically insulated and installed in amanner which minimizes potential battery damage due to electrical shorting, sparking, or otherelectrical hazards.d. All electrical switches, controls, circuits, and installations shall be explosion-proof. Whenop
31、erating, they shall not ignite explosive mixtures of hydrogen and oxygen gasses generatedinside the battery container.e. Both primary and secondary (backup) temperature limiting controls shall be incorporatedinto the batterys electrical circuits to prevent overheating. If the primary heater control
32、fails, thebattery shall not reach a damaging temperature.f. All thermal switches shall be snap-action type in accordance with MIL-PRF-24236.g. All heater components shall be located inside the battery container.h. When the battery is operating in accordance with any specified environmental condition
33、,the exterior surface of the battery container shall not be greater than 75 C (167 F) due to theheater operation.3.6 Color and marking . The batteries shall conform to the requirements listed below and inthe applicable specification sheet when examined in accordance with 4.5.2.3.6.1 Color . The batt
34、ery shall conform to one of the following color styles (see 6.11.3 and6.13):a. The color under natural light of all visible parts of each battery, except the mountingpoints, hold-down hooks, other external hardware, identification marking, and instructions, shallconform to the range of colors listed
35、 in table I, according to whether the battery uses acid oralkaline electrolyte; orb. Color only the container cover and marking backgrounds in accordance with those listedin table I under natural light; the rest of the container shall be white, gray, or black.3.6.2 Polarity marking . The container b
36、ody shall be conspicuously and durably marked “+“in white in the location shown on the applicable specification sheet.3.6.3 Identification marking . The battery identification marking shall be in white or blackprint. Unless otherwise specified in the applicable specification sheet, the marking shall
37、 use a typeProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-8565K6size of not less than 4.2 mm. The marking shall contain the required titles and information asshown in figure 1 herein and s hall be placed in accordance with the applicable spe
38、cification sheet.The lot code shall be constructed in accordance with 3.6.6. The blank area following the entryDate First Placed in Service shall be capable of being written on with a felt tip permanent marker.The manufacturer shall fill in the applicable information at the indicated areas. Abbrevia
39、tions inaccordance with ASME-Y14.38M and acronyms are permitted.3.6.4 Battery caution marking . The battery caution marking shall contain the required titlesand information as shown in figure 2 herein and shall be placed in accordance with the applicablespecification sheet. The lettering height shal
40、l be not less than 6.3 mm. The marking shall be inwhite or black print.3.6.5 Marking for batteries with heaters . If any exterior surface of the battery containerexceeds 49 C (120 F) when all heater elements are energized and all other battery electricalcircuits are not functioning for 1 hour, the f
41、ollowing caution statement shall be inscribed on thebattery identification marking and battery caution marking: CAUTION HOT SURFACE(see figures 1 and 2). The height of all statement letters shall be equal and not less than 6.2 mm. The battery container shall also display an electrical schematic for
42、internal heaters. The height ofthe letters and numbers shall be equal and not less than 3.8 mm.3.6.6 Lot code . The month and year that the manufacturer compiled the batteries into agroup for inspection and the lot code of the battery shall be clearly shown on the batteryidentification marking. The
43、information shall be coded such that the first two digits indicate themonth of the year, the middle two digits indicate the year (followed by a dash), and the last twodigits indicate the inspection lot (see 6.15.9) number. Months earlier than the tenth shall beindicated by a single digit preceded by
44、 “0“. When the inspection lot is compiled during the firstthree or the last three working days of the month, the manufacturer is permitted to use either thatmonth or the nearest adjacent month as the coded month. For example, lot code 0401 -12indicates the lot was compiled in April 2001 and was the
45、twelfth lot.3.7 General requirements . The battery, when subjected to any tests specified in section 4,shall not show:a. Dimensional distortion beyond specified limits.b. Cracking of cases or covers of either cells or batteries.c. Radical current or voltage fluctuations during any test. Degradation
46、of electricalperformance beyond limits specified by the requirements.d. Mechanical failure of any part.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-8565K7e. Electrolyte leakage or spilling of electrolyte at any time during the test. Corros
47、ive orliquid discharge through the battery vent tubes (see 3.5.4) shall not occur during testing to thisspecification (except when testing to 4.5.18). With the battery vent ports open and the batteryoperating within design requirements of this specification, cell venting shall not cause corrosive or
48、liquid discharge from the battery. After a venting sequence, the venting mechanism within thebattery shall automatically revert to its pre-vented configuration. Products of cell venting that aredischarged through the vent tubes shall be non -toxic.f. Breakdown of insulation, flashover, arcing, strip
49、ping of metal plating from any componentpart, corrosion of metal parts, or loosening of protective coating from the battery container orcover.g. Deterioration of battery identification markings.h. Cracking, pitting, chipping, scaling, corrosion, or other deleterious effects on the externaland internal metal or component parts of each battery.3.8 Detail requirements .3.8.1 Condition of battery . The battery container shall not exhibit scratches, gouges, dents,tor
