1、. MIL-B-6239bD = 9999906 1990221 248 = MIL-B-62346D(AT) 8 September 1994 SUPERSEDING MIL-B-62346C(AT) 10 December 1990 MILITARY SPECIFICATION BATTERIES, STORAGE: LEAD-ACID, (LOW MAINTENANCE) (METRIC) This specification is approved for use within the U.S. Army Tank-Automotive Command, Department of t
2、he Army, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers one type of waterproof, low maintenance, lead-acid battery furnished in charged and dry or charged and wet conditions (see 3.5 and 6.2): Type Rated reserve Am
3、pere-hours Designation Voltage capacity (min) (20-hour rate) 6 TL 12 200 120 Condit ion : A Charged and dry B Charged and wet Military specification sheet part no. MS52 149- 1 MS 5 2 149 - 2 Beneficial coments (recommendations, additions, deletions) and any pertinent data which may be of use in impr
4、oving this document should be addressed to: U.S. Army Tank-Automotive Command, ATTN: AMSTA-GLC, Warren, MI 48397-5000, by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document, or by letter. - - AMSC N/A FSC 6140 DISTRIBUTION STATEMENT A. Approv
5、ed or public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-b234bD 999990b 1990222 LB4 MIL-B-62346D(AT) 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specification and standards. The following spec
6、ifications and standards form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation
7、(see 6.2). SPECIFICATIONS FEDERAL O-S-80 1 PPP-B-140 - Sulfuric Acid, Electrolyte (for Storage - Battery, Storage, Industrial, Automotive and Batteries). Navy Portable (Except Aircraft), Packaging of. STANDARDS FEDERAL FED-STD-313 - Material Safety Data, Transportation Data and Disposal Data for Haz
8、ardous Materials Furnished to Government. FED-STD-595 - Colors Used in Government Procurement. MIL I TARY MIL-STD-129 - Marking for Shipment and Storage. MIL-STD-130 - Identification Marking of U.S. Military MS52149 - Battery, Storage, Lead-Acid (Low Maintenance), Property. Type 6TL. (Unless otherwi
9、se indicated, copies of federal and military specifications and standards are available from the Defense Printing Service Detachment Office, Standardization Documents Order Desk, Bldg. 4D, (Customer Service), 700 Robbins Ave., Philadelphia, PA 19111-5094.) 2.1.2 Other Government documents. The follo
10、wing other Government document forms a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. DEPARTMENT OF TRANSPORTATION (DOT) Federal Motor Carrier Safety Regulations (FMCSR) - 49 CFR (Copies of FMCSR are available from th
11、e Department of Transportation, Washington, D.C. 20590.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-6234bD 9999906 1990223 O10 2.2 Non Government publications. The following documents form a part of this document to the extent specified
12、herein. Unless otherwise specified, the issues of the documents which are DOD adopted are those listed in the issue of the DODISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS are the issues of the documents cited in the solicitation (see 6.2
13、). SOCIETY OF AUTOMOTIVE ENGINEERS (SAE) SAE 5537 SAE JI495 - Storage Batteries. - Test Procedure for Battery Flame Retardant Venting Systems. (Application for copies should be addressed to the Society of Automotive Engineers, 400 Commonwealth Drive, Warrendale, PA 15096.) (Non Government standards
14、and other publications are normally available from the organizations that prepare or distribute the documents. These documents also may be available in or through libraries or other informational services.) 2.3 Order of precedence. In the event of a conflict between the text of this specification an
15、d the references cited herein (except for associated detail specifications, specification sheets or MS standards), the text of this specification shall take precedence. Nothing in this specification, however, shall supersede applicable laws and regulations unless a specific exemption has been obtain
16、ed. 3. REQUIREMENTS 3.1 Specification sheets. The individual item requirements shall be as specified herein and in accordance with the applicable specification sheet. In the event of any conflict between requirements of this specification and the specification sheets, the latter shall govern. 3.2 Qu
17、alification. Batteries furnished under this specification shall be products which are authorized by the qualifying activity for listing on the applicable Qualified Product List (QPL) at the time of award of contract (see 4.4 and 6.3). 3.3 Materials. Materials shall be as specified herein and in refe
18、renced specifications, standards and drawings. Material shall be free of defects adversely affecting performance or serviceability of the finished product (see 4.8.1). 3.3.1 Electrolyte. The electrolyte, used in filling batteries, shall conform to Class 3 of O-S-801 (see 4.8.1). 3.3.2 Active materia
19、l. Active material reclaimed from plates of other batteries shall not be used (see 4.8.1). 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-bZ34bD 999990b L990224 T57 I 3.3.3 Recycled, virgin and reclaimed materials. There are no requirements
20、for the exclusive use of virgin materials. The use of recycled or reclaimed (recovered) materials is acceptable, provided that all other requirements of this specification are met (see 6.5.2). 3.4 Design and construction. Batteries shall be designed and constructed in accordance with MS52149. Batter
21、y shall be furnished as a complete, integral assembly, with no loose parts permitted, except for the vent filler plugs as specified in 3.4.6 (see 4.8.2). 3.4.1 Containers. containers shall be molded to the dimensions specified in MS52149. The containers shall be free of leaks, biisters, cracks, or o
22、ther defects that could adversely affect the performance of the battery. Container color shall be lusterless olive drab, conforming to color chip number 34088 of FED-CTD-595. non-absorbent, acid-resistant, thermoplastic material meeting the physical requirements specified in 3.4.1.1.1 through 3.4.1.
23、1.4 (see 4.8.2). The container shall be made from 3.4.1.1 Physical requirements. 3.4.1.1.1 Electrical breakdown. The battery container shall withstand an alternating current potential of 100 volts (V) root mean square (rms) per 2.54 x millimeters (mm) of thickness without damage (see 4.8.4.1). 3.4.1
24、.1.2 Acid absorption. The battery container material shall exhibit no cracks or blisters, no more than 1.5 percent increase in weight, and no more than 2 percent increase in any physical dimension in a 1.300 specific gravity electrolyte solution at 66 - + 3 degrees Celsius (OC) for a period of seven
25、 days (see 4.8.4.2). 3.4.1.1.3 impact resistance. Twenty-four hours or more after manufacture, the sample battery case shall exhibit a minimum impact resistance after four hours pre-test conditioning at temperatures in Table I (see 4.8.4.3). TABLE I. Imoact resistance. Pre-test conditioning temperat
26、ure 66OC -18OC -4OOC 3.4.1.1.4 Bulge resistance. than 6.4 mm bulge after exposure Impact Resistance drop height of 1 kilogram (kg) weight 2100 mm 1400 mm 700 mm Battery container shall exhibit no more to 93 + 3OC or one hour (see 4.8.4.4). - 4 Provided by IHSNot for ResaleNo reproduction or networki
27、ng permitted without license from IHS-,-,-1. MIL-B-bZ34bD 999990b 1990225 993 3.4.2 Battery cover. Battery cover shall meet the same physical and color requirements as the container material. Battery cover shall be of one piece design and shall be sealed to the container, thereby forming a case. Cov
28、er and base are to be parallel within 1.5 mm total. The seal shall maintain an acid tight joint between case and cover under all test conditions specified herein (see 4.8.6). 3.4.2.1 Filler plug openings. The battery cover shall contain a threaded vent filler plug opening for each cell (see 3.4.5).
29、The vent filler plug openings shall be designed to permit easy determination of the electrolyte level. Electrolyte level instructions shall be plainly marked, either on the battery cover or on the vent filler plug (see 4.8.2). 3.4.3 Leakage. When tested per 4.8.3, no cell of the battery shall show a
30、 drop in pressure exceeding 0.69 kilopascalc (kPa) (see 4.8.2). 3.4.4 Post seals. Post seals shall maintain an unbroken seal between post and cover and shall show no indication of leakage under any of the test conditions specified herein (see 4.8.2). 3.4.5 Cell seals. Cells shall be sealed by easily
31、 removable, air tight, and moisture proof seals, not an integral part of the battery cover, which shall retain their seal and hold firmly in place until intentionally removed. packaged with the battery (see 4.8.2). Dummy vent filler plugs may be used provided the proper plugs are 3.4.6 Vent filler p
32、lugs. Non-absorbent, acid resistant vent filler plugs (or vent caps) shall be provided for each cell. Design shall be as specified in MS52149-3. The vent filler plugs shall be of the submersible type and shall incorporate a vent with a check valve to permit the escape of gasses from the battery. Ven
33、t plugs shall not permit ignition of flammable gasses in the test battery when tested in accordance with 4.8.7.1. The check valves shall not leak more than two drops of water in 10 seconds when under a 1.22 meter (m) head of water and shall be designed to open before internal pressure reaches 3.45 k
34、Pa in excess of the external pressure. The plugs shall withstand temperatures from -54OC to 121OC without cracking, melting or other damage (see 4.8.7). 3.4.7 Handles. Handles shall be rope type plastic of the developed length specified in MS52149. Handles shall withstand the effects of electrolyte
35、conforming to the Class 3 of O-S-801 (see 3.3.1). Each handle shall be attached to the battery case in such a manner as to withstand, without damage to the case, the handle, or the attachment, when tested in accordance with 4.8.8 at temperatures of 88O + l0C and -54O + loC. If knots are used to secu
36、re rope handle, they-shall be melted to prevent untying (see 4.8.2). 3.4.8 Grids and plates. Grids shall have no cracked, broken, or missing framing bars. After pasting of active material, plates shall evidence not more than three holes (missing pellets puncture holes) in the active material, and ha
37、ve no open windows. Plates shall be of the pasted type and 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-the grid lead alloy shall contain no antimony. Optional construction: Negative plate grids shall have non-antimony or low percent (not to exc
38、eed 1.0 percent) antimony and positive plate grids not to exceed 3.5 percent antimony (see 4.5). 3.4.9 Plate connections and intercell connectors. Plates of like polarity in each cell shall be integrally joined by intercell connectors. The intercell connectors shall be of the burned-on, cast-on, or
39、welded type. Each connector shall be of such size and strength as to provide both electrical conduction and support for each group of like polarity plates. Plate-connecting intercell connectors of the up and over type shall not be used (see 4.5). 3.4.10 Separators. Separators shall be an envelope ty
40、pe, enclosing the positive plates and shall extend a minimum of 2.4 mm above plates after assembly (see 4.5). 3.4.11 Terminal posts. Terminal posts shall be of the design and location specified on the applicable specification sheet. The positive tapered terminal post shall be identified by a “+“, a
41、“POS“, or a “P“ and the negative terminal by a “-“, a “NEG“, or a “N“ as shown on the applicable specification sheet. All metal parts of the terminal shall be lead or lead coated (see MS52149). 3.4.11.1 Terminal post torque resistance. Tapered terminal posts shall withstand, without damage to the ba
42、ttery, a torque of 28.25 Newton-meters (N.m) (see 4.8.9). 3.5 Battery condition. Batteries shall be furnished in a condition in accordance with MS52149 (see 6.2). 3.5.1 Charged and dry. Batteries furnished in the charged and dry condition shall contain dry plates and separators. The moisture content
43、 of the separators shall not exceed 3.0 percent. The moisture content of the plates shall not exceed 0.2 percent. No electrolyte shall be furnished (see 4.8.10). 3.5.1.1 Drv cell internal resistance. The terminal-to-terminal resistance of each cell, measured after assembly in the container with the
44、top off, shall be no less than 50,000 ohms (see 4.5 and 4.8.11). 3.5.2 Charged and wet. Batteries furnished in the charged and wet conditions shall be filled to the proper level with electrolyte as specified in 3.3.1 and shall be fully charged when shipped. When fully charged, the specific gravity o
45、f the electrolyte shall be 1.280 + .Olof corrected to electrolyte temperature of 27OC and the open circuit, terminal-to-terminal voltage shall be not less than 2.10 V per cell corrected to 27OC (see 4.8.2). 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from I
46、HS-,-,-MIL-B-623YbD m 9999906 L9%0227 766 3.6 Battery performance. 3.6.1 Cold activation of dry charge. Batteries furnished in the charged and dry condition shall exhibit a terminal voltage of 7.2 V or greater following the discharge rate and time specified in MS52149 after stabilizing the dry charg
47、ed battery at -lo + l0C, and filling the battery with electrolyte also stabilized at the -1OC temperature (see 4.8.5). 3.6.2 Capacities . 3.6.2.1 Full charge capacity. Each battery shall yield a capacity of not less than that specified in MS52149 at a controlled temperature of 27O + 3OC (see 4.8.12)
48、. - 3.6.2.2 Reserve capacity. Fully charged batteries stabilized at 27O f 3OC shall exhibit a minimum terminal voltage of 10.5 after a discharge rate-of 25 amperes (A) for the time specified in MS52149 (see 4.8.13). 3.6.2.3 Low temperature capacity. Fully charged batteries (1.280 specific gravity, m
49、inimum) shall exhibit a minimum terminal voltage of 7.2 V after being discharged at the rate and time specified in MS52149 at temperatures of -18OC and -4OOC (see 4.8.14). 3.6.3 Retention of charge. Following 30 days storage at 4OoC, batteries shall successfully survive a discharge rate of 25 A for the time specified in MS52149 to a minimum terminal voltage of 10.5 V (see 4.8.15). 3.6.4 Electrolyte retention. Batteries shall evidence no leakage or spillage when tilte
