1、d MIL-B-18855D bL m 9999906 0418345 3 MIL-B-1885 5D ( OS) 21 January 1969 Superseding 22 June 1966 MIL-B-18855C (OS) MILITARY SPECIFICATION BATTERY Mx 53 MOD O SECONDARY TYPE, SILVER-ZINC-ALKALI This specification has been approved by the Naval Ordnance Systems Command, Department of the Navy 1. SCO
2、PE 1.1 Scope. This specification establishes the requirements for the procurement of Battery Mk 53 Mod O Secondary Type, Silver-Zinc-Alkali, Naval Ordnance Systems Command LD 476652. and one class. The battery is of one type 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect
3、on date of invi- tations for bids or request for proposals fom a part of this specifi- cation to the extent specified herein. SPECIFICATIONS MILITARY MIL- S -901 Shock Tests, HI (High Impact); Shipboard Machinery STANDARDS MILITARY MIL-STD-105 MIL-STD-129 MIL-STD-414 Sampling Procedures and Tables f
4、or Inspection by Attributes Marking for Shipment and Storage Sampling Procedures and Tables for Inspection by Variables for Percent Defective I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-B-LB855D bL W 9b 0438346 5 m MIL-B-l8855D( OS) t DRAW
5、INGS NAVAI; ORDNANCE SYSTEMS COMMAND LD 476652 Battery, Secondary Type, Mark 53 Mod O Assembled, and all parts and subassemblies listed thereon LD 620045 Shipping (Packing) Condition Drawing 815578 Wiring Diagram Drawing U55115 Identification Plate Drawing 1373691 Battery Mark 53 Mod O Assembled (Co
6、pies of specifications, standards, drawings, and publications required by contractors in connection with specific procurement f?unctions should be obtained from the procuring activity or as directed by the contracting officer. ) 2.2 Other publicatims . The foilowing documents form a part of this Unl
7、ess otherwise indicated, -_ specification to the extent specified herein. the issue in effect on the date of invitation for bids or request for proposals shall apply, f NATIONAL BUREAU OF STANDARDS Handbook 28 Screw-Thread Standards for Federal Services (Application for copies should be addressed to
8、 the Superintendent of Documents, Government Printing Office, Washington, D. C. 20360) 3. REQUIRFMENTS 3.1 Description. Battery Mk 53 Mod O assembly is a secondary battery of the silver-zinc-alkali type and is used as a source of torpedo propulsion and control power. interconnected to form two elect
9、rically similar propulsion sections which may be connected either in series or parallel. Also, separate unit ceUs are interconnected to form an auxiliary section. disconnectors cmplete the assembly. It is made up of a number of unit ceil assemblies A tray and quick 2 Provided by IHSNot for ResaleNo
10、reproduction or networking permitted without license from IHS-,-,-MIL-B-155D bL = 9999906 0418347 7 = MIL-B-188 5 5D( OS ) 3.2 General requirements 3.2.1 Preproduction batteries. Unless otherwise specified in the contract or order, preproduction batteries shall be manufactured us - ing the methods,
11、materials, and procedures proposed for the produc- tion lot. These batteries will be tested as described in 4.7 herein and are for the purpose of determining that the production item will meet the requirerents of this specification. shall be in accordance with Section 4 of this specification. Provis
12、ion of samples 3.2.2 Materials. All materials and purchased parts entering into the final assembly of the battery shall conform to applicable Federal and Military Specifications and LD 476652. covered by specifications or which are not specifically designated herein shall be of the best quality, of
13、the lightest weight practic- able consistent with strength and durability, and entirely suited for the purpose for which intended under all conditions of test and serv- ice operation. Recommendations concerning substitution for any part or material specified herein shall be accompanied by a descript
14、ion of the substitute together with evidence to substantiate any claim as to its suitability. At the discretion of the Naval Ordnance Sys- tems Cornniand, test samples may be required to prove the suitability of the proposed substitute. mterials which are not 3.2.2.1 Active and structural material.
15、The total silver content of the active material in all cathodes of the propulsion and auxiliary cells in the battery shall be TOO -1-3 percent -0 percent troy ounces of silver. The total silver content of the structural components in the entire battery, such as anode and cathode grids, plate straps,
16、 terminals, and intercell connectors , shall be 200 +3 percent -0 per- cent troy ounces of silver. for active material, TOO troy ounces, and for structural components, 200 troy ounces, shall be met independently. Any proposed excess in either of these requirements shall not be permitted to reduce th
17、e minimum requirements of the other. Only silver shall be used for structural material within the envelope .of the battery cells. The minimum total silver requiremnt 3.2.2.2 Any cells representing batteries determined not to conform to the minimum requirements of 3.2.2.1 shall be considered cause fo
18、r rejection of the contract quantity of batteries represented. 3.2.2.3 Sample cells. Twenty cells representing propulsion and 16 cells representing auxiliary sections shall be selected for veri- fication of silver content prior to and during production of any con- tract quantity of batteries (see 4.
19、1.1.2 and 4.1.1.3). 3.2.2.4 All sample cells (3.2.2.3) shall be delivered as complete cells , without electrolyte, at battery subassembly level. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.2.2.5 Cell structure. Only silver shall be used for t
20、he structural material within the envelope of the cell casings, The grid material of the anodes and cathodes shall consist of a silver expanded mesh, silver mesh screen, or a flat sheet of silver with a minimum of 120 openings per square inch. The tab for each plate shall be integral with the plate
21、or attached to the plate in such a mnner as to ensure a positive connection during the useful life of the cell. Each tab shall be insulated by a suitable insulating sleeve or other means to prevent top shorts between plates within the cell. Each tab shall be of sufficient size to ensure maximum cond
22、uctivity cons istent with good design . The pos it ive or negative plates, or both, shall be wrapped as required with separator mterials that retard degradation of the plates and resist the effects of migratory plate materials. 3.2.2.6 Government furnished material. When the Government elects to fur
23、nish silver the total minimum quantity furnished will be based on the total number of complete batteries and sample cells to be provided for delivery. The quantity of silver furnished shall be calculated on the basis of 3.2.2.1 for a battery coniaining 60 propulsion and 18 auxiliary cells plus two s
24、pare propulsion cells and two spare auxiliary cells (see 3.4.2.2 and 4.2.3.1). the contractor. Any additional silver used shall be furnished by 3.2.3 Finishes, coatings and dimens ions Finishes, coatings, and di- mensions for the battery shall be in accordance with the applicable draw- ings, specifi
25、cations, and publications listed in LD 476652. where used on the tray and end castings, shall be of an alkali-proof type to resist the action of spilled electrolyte. Gray paint, 3.2.4 Wrking. Mrking of the assembled battery shall be in accordance with LD 476652. 3.2.4.1 Serial numbers. Each battery
26、shall bear a serial number which will be assigned upon request by the Naval Underwater Weapons Research and Engineering Station, Newport, Rhode Island 02840, or as specified in the contract, requis ition, or order. 3.2.4.2 Terminal markings The polarity of the battery terminals shall be permanently
27、marked on the.termina1 block on the end of the battery in accordance with Drawing 1373691. 3.2.4.3 Special battery markings. The forward and aft ends of each battery shall be conspicuously marked with the words “DRY CHARGED“ in upper case letters at least one-half inch high. e J 3.2.5 Gages. The con
28、tractor shall provide himself with whatever gages are necessary and adequate to ensure that the material to which this specification applies will met the dimensional requiremnts shown on the 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-O MIL-B-l
29、8855D( OS) applicable drawings. requisition, the Government will furnish drawings of pertinent Navy Final Inspection Gages for guidance in the design of the contractors inspection gages. However, such procedure shall not serve to relieve the contractor of his responsiblity in the design and manufact
30、ure of such gages as may be required in the satisfactory fulfillment of the contract requirements , but is intended to facilitate acceptance of all components and assemblies by Navy Final Inspection Gages. If so stipulated in the contract, order, or 3.2.6 Threads. Unless otherwise specified, ail thr
31、eads shall be in accordance with National Bureau of Standards Handbook 128. class or fit for threads shall be as specified on the applicable drawings. The 3.2.7 Conflicting requirements. Conflicting requirements arising between this specification or any specification, publication, or drawing listed
32、herein shall be referred in writing to the procuring agency or appointed agent for interpretation, clarification, and resolution (or correction). 3.2.8 Manufacturers instructions. Unless otherwise specified by the procuring agency, each battery shall be accompanied by a set of special instructions f
33、or placing the battery in operation and for maintaining the battery in service. These instructions, prepared by the manufacturer, shall in no way conflict with the requirements of this specification and a sample copy of these instructions shall be submitted to the Naval Ordnance Systems Command or i
34、ts appointed agency prior to submission of the preproduction samples. The con- tractor may amend these instructions at a later date only with the . written approval of agency. 3.3 Definitions 3.3.1 Vibration. tude and frequency. the Naval Ordnance Systems Command or its appointed Vibration is a sinu
35、soidal motion defined by ampli- Amplitude may refer to displacement or accelera- tion. sponding maximum acceleration in gravitational units (gs) . The frequency is given in cycles per second (cps). The displacement is given in inches peak-to-peak or the corre- 3.3.2 Shock. Shock is an abrupt change
36、in the motion of a body resulting from the sudden application of a large external force of short duration. Shock, in general, can be defined as a buildup of 90 percent of peak force in less than 0.010 second. pulse in gravitational units (gs), including duration in milliseconds (ms) and a descriptio
37、n of the shock wave form, or (b) in terms of test conditions outlined in MIL-S-901. Shock is described (a) as a 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-i8855D( OS) 3.3.3 Vibration and shock axes. Vibration and shock axes are imaginary
38、 straight lines passing through the battery, along which the battery is be- ing vibrated or shocked. The axes of the battery are : (a) Longitudinal (Forward and aft; ends) (b) Perpendicular and transverse to (a) (Port and starboard; sides) (c) Mutually perpendicular to (a) and (b) (Bottom only) 3.3.
39、4 Nonoperating condition. The nonoperating condition of the battery is that condition when the bdttery is packaged for delivery in accordance with LD 6201C 5 during transportat ion, storage, and handling. 3.3.5 Ready, nonoperating condition. The ready nonoperating condition of the battery is that co
40、ndition when the battery is handled or transported in an unpackaged state, with all cells filled to their norm1 level with slectrolyte and fully charged, before or after assembly into a torpedo. 3.4 Performance requirements and product characteristics. The battery shall met the following performance
41、 requirements and product characteristics: 3.4.1 Assembly. The battery shall be assembled and connected as speci- fied in Wawings 815578 and 1373691. f 3.4.2 Condition as supplied. The battery shall be assembled and sup- a plied in a dry, charged condition. 3.4.2.1 Filling kit. Each battery shall be
42、 supplied with a filling kit to provide a convenient means of properly filling each cell of the battery with the correct quantity of electrolyte. thereof shall be approved by the Naval Underwater Weapons Research and En- gineering Station, Newport, Rhode Island 02840. The filling device and drawing(
43、s) 3.4.2.2 Spare cells. Each complete battery shall be supplied with two spare propulsion cells and two spare auxiliary cells in a dry, charged condit ion. 3.4.2.3 Electrolyte. With each complete battery, electrolyte shall be supplied in 83 individual polyethylene bottles, 62 of which shall each con
44、- tain the required quantity of electrolyte to properly fill a propulsion cell, and 20 of which shall each contain the required quantity of electrolyte to properly fill an auxiliary cell. also be included. A one liter bottle of electrolyte shall 3.4.3 Weight. The battery, when filled with the normal
45、 amunt of elec- trolyte , shall weigh 270 plus or minus 10 pounds. 3.4.4 DiniensionS. Dimension of the finished battery shall conform to the requirements of + c;o P l I I-. A 40 f 2 F I l I 1 I I I 1 I 1 I I lo+?$+ 2 3 4 5 6 7 8 4- SECONDS MINUTES 8 Figure 1. Secondary Battery Mk 53 Mod O Series and
46、 Parallel Discharge Curves Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-18855D 61 9 9999906 0438353 2 m MIL- B-i885 5D ( OS) 3.4.9 Cell pressure test. The individual cells of the battery shall maintain an unbroken seal under an internal pres
47、sure of 6 plus or minus 0.5 pounds per square inch gage (psig) over a temperature range of minus 20 degrees F to plus 130 degrees F, when tested as specified in 4.4.3.1. 3.4.10 Leakage. !The battery shall be capable of being oriented in any position without loss of electrolyte. 3.4.11 Internal cell
48、resistance. Each cell of the battery, in a dry condition, shall have an internal resistance of at least 1000 ohms. 3.4.12 Cell case material. The cell case material shall be trans- parent polysulphon, or equal, and be capable of withstanding temperatures up t? 300 degrees F without softening. 3.5 En
49、vironmental requirements 3.5.1 Vibration, ready, nonoperating condition (3.3.5). The battery shall withstand vibra$ion in accordance with Schedule I (Vibration) in each of the axes of 3.3.3 and thereafter meet the requirements of 3.4.5. SCHEDULE I (VIBRATION) Frequency Minimum Test Duration Range Amplitude Room Temp. -20F +130 F io - 30 CPS 0.060 k 0.006 in. 60 min. i5 min. i5 min. 31 - 60 cps 3g Ir 0.3g 60 min. i5 min. i5 min. 60 min. i5 min. 15
