1、5 October 1984 SUPERSEDING NIL-B-81757/lOA(AS) 15 September 1980 MILITARY SPECIFICATION ,SHEET BATTERY, STORAGE, AIRCRAFT, NICKEL-CADMIUM 23 VOLTS, 6 AMPERE-HOUR- This specification is approved for use by the Naval Air Systems Command, Department of the Navy and is available for use by all Departmen
2、ts and Agencies of the Department of Defense. The complete requirements for acquiring the battery assembly described herein shall consist of this document and the latest issue of MIL-B- 81757. .578 +.O08 DIA VENT. ( 2 PLACES) ,.344 OF POLARITY - Figure 1. Battery assembly P/N M81757/10-1. / FSC 6140
3、 - THIS DOCUMENT CONTAINS b -. PAGES. Page 1 of 6 Licensed by Information Handling ServicesI AN3C3A NO. 10-32 HEX HEAD BOLT (2 REQUIRE M81757/1-7 B WASHER(2REQD) M81757/1-86 BELLEVILLE SPRING (2 REQD) Figure 2. Cell arrangement, 2 Licensed by Information Handling Services MIL-B-2757/10B bL 77777Ob 0
4、07q737 b W MIL-B-8 1757 / 10B (AS) . O- RING rVENT PORT .0027f003 SQ.INCH AREA .140f.015 DIA HOLE Figure 3. Vented filler cap assembly. REQUIREMENTS: 1. Filler cap shall be polyamide per ASTM STD D4066-82, Composition A, Type III.- Cap shall be of molded one-piece construction. i: O-ring shall be of
5、 ethylene propylene rubber. Licensed by Information Handling ServicesMIL-B-L757/lOB bl 999990b 0044938 mI MIL-B-81757 / 10B (AS) REQUIREMENTS : 1. .The receptacle terminal block shall be 0.866 + 0.015 from the centerline of the contact pins to the top surface of the terminal block. The receptacle wi
6、ll be so located that the top of the terminal block and the cell terminal contact surfaces are in the same plane. Receptacle shall conform to MS3509-28. All dimensions are prior to epoxy coating except: 8.790 max., overall width - 7.938 max., and overall height - 6.875 max . 2. overall length - 3. T
7、he cell filler cap shall be in accordance with Figure 3. 4. Spacers if used shall be polyethylene sheet per ASTM STD D4066-82, Comp A, Type I and Type III, minimum 0.015 inch thick, color natural. 5. Latches and strikes shall not be epoxy coated. 6. The battery voltage shall be 23 volts (nominal). 7
8、 8. 9. 10. 11. The battery weight shall be 24 pounds maximum when filled. The battery shall contain 18 cells arranged as shown in Figure 2. The rated capacity at IC rate shall be 6 A.H./l HR/80F/17.0V. All cells within a battery shall be from the same production lot. Cell removal shall be impeded b
9、y using the M81757/1-9 bolt to secure the cell connector straps. 12. Battery part number M81757/10-1 shall conform to MIL-B-81757 except as modified by the following: 3.5.7 Cells. Delete. 3.5.7.1 Mountings. Delete 3.6.5.2.1 Cell terminal marking. Delete last sentence. 3.6.5.2.2 Ce11 identification.
10、Delete. 3.6.11 Temperature rise and float. Change second sentence to read: The charging currents shall not exhibit increasing values of more than a total of 2 amperes for a 6 ampere-hour battery, and a 10 ampere-hour battery, 4 auperes for a 20 ampere-hour battery, and 7 amperes for a 30 ampere- hou
11、r battery at any time during the charge. 3.6.12 Cycling test. a. b. Change “14.0 volts“ to “13.3 volts.“ Change “12.0 volts“ to “11.4 volts.“ Licensed by Information Handling ServicesI MIL-B-1757/LOB 61 9 7777706 0074737 T WI i Manufacturers Name Manufacturers Part Number TABLE II. Performance requi
12、rements. - 3/ Change “17.0 volts“ to “16.1 volts.“ - 4/ Change “13.0 volts“ to “12.3 volts.“ - 5/ Change “12.0 volts“ to “11.4 volts.“ 3.6.5.2.3 Battery identification. Each battery shall have its identification marking silk screened with an epoxy overlay, or equal, that is impervious to 1.3 + 0.025
13、 specific gravity KOH electrolyte, in accordance with applicable specifications sheet. Marking shall be in white print per MIL-M-13231. The marking shall show the following: INFORMATION REQUIRED EXAMPLE Battery, Storage Battery, Storage Military Battery Fart No. M81757/10-1 Replaces (include replace
14、ment Replaces MS90447-2 data from applicable battery specification sheet) National Stock Number NSN 6140-01-*-* Voltage (Nominal) 23 Volts Maximum Weight Max. Wt. 24 Lbc. Military “C“ Rated Capacity 6 A.H. /i HR/80F/17.0V Contract Numb er * Date Code (see 3.6.5.2.5) Date. Code * * * Manufacturers Se
15、rial Number * 3.6.5.2.4 Battery caution and receptacle markings. These They shall be markings, in accordance with the applicable specification sheet, shall be in white printing in accordance with MIL-M-13231. impervious to 1.3 + 0.025 specific gravity KOH electrolyte. be located as shown on the appl
16、icable specification sheet and read as follows : They shall - I F- 5 Licensed by Information Handling ServicesMIL-B-81757/10B (AS) I 4 RECEPTACLE 4 1 CAUTION“ THE CELLS IN THIS BATTERY ARE NOT TO BE REMOVED. THIS BATTERY SHALL BE SERVICED CADMIUM BATTERY SHOP. ONLY IN AN AUTHORIZED NICKEL- 0.50 - +
17、0.03 Inch Lettering Eeight 0.50 - + 0.03 Inch Lettering Height 0.375 + 0.03 Inch Lettering Height L 0.375 + 0.03 Inch Lettering Height L 5.5 Marking. The individual battery package shall be marked on one of the two largest vertical surfaces with the supersession data from note 2. The lettering shall
18、 be t least l/Z inch high on the battery package, In addition to any special marking required by the contract.or order, interior packages and exterior shipping containers shall be marked in accordance with MIL-STD-129. 13. The base dimensions of the container shall be within tolerance for a distance
19、 of 1.4 inches up from the bottom. 14. A sensor (thermocouple or thermistor), when required shall be located as shown in Figure 2 for the purpose of monitoring battery temperature during testing to this specification. The sensor shall be positioned in the approximate center of the cell containers wi
20、dest outer surface (equidistant from the top and bottom and from side to side). NOTES : 1, All dimensions are in inches, unless otherwise specified. 2. This specification sheet supersedes MS90447-2 and MS90321 part numbers as follows, when a product has been qualified for M81757/10-1 part number. Part Number Replaces Part: Number M8 175 7 / 1 O- 1 MS90447-2, MS90321-84W Part Numb er Superseded By MS90447-2, MS90321-84W M81757/10-1 1 T Preparing activity: Navy - AS e (Project- No, 6 140-N584) f?U.S. GOVERNMENT PRINTING OFFICE: 1984 - 505-038/A4869 6 Licensed by Information Handling Services
