1、MIL-B-62437A (4) 13 7777706 0360800 6 I - MIL-B-82439A(OS) AMENDMENT 4 15 March 1979 SUPERSEDING AMENDMENT 3 10 May 1976 MILITARY SPECIFICATION BATTERY, SEA WATER This amendment forms a part of Military Specif icbtion MIL-B-82439A(OS) dated 3 July 1969. Wherever it appears in the specification, dele
2、te “Bureau of Naval Weapons“ and substitute “Naval Sea Systems Command“; also delete “BuWeps“ and substitute “NAVSEA“. *Page 2, Paragraph 2.1. Under “DRAWINGS“ add the following : “Dwg 2526791 Wir e, Arming Dwg 2526889 Sleeve , mg 2574743 (Alternate Configuration) Case, Battery _I Dwg 2574740 (Alter
3、nate Configuration) Battery Cell Assembly“ *Page 4, paragraph 3.3.3. Add following sentence to end of paragraph: “There shall be no separation of the arming wire from the sleeve when subjected to a pull test of 175 4-10 -0 pounds“. Page 8, paragraph 4.3.1, line 3. Delete “4.4 through 4.4.4.15“ and s
4、ubstitute “4,4 through 4.4.4.17“. Page 9, Table IV. Delete and substitute new Table IV (see page 2). . ., Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commanding Officer, Naval Ordnance Stati
5、on, Standardization/Documentation Division (Code 501), Indian Head, Mn 20640 by using the self-addressed Standardization Documentation Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. FSC 1355 Licensed by Information Handling ServicesMIL-B-82437A (4) L3 m 97977
6、0b 03b08L 8 m MIL-B-82439A( OS) AMENDMENT 4 “TABLE IV First Article Test Sequence Tests Inspection Vibra tion, Ready Condition Acceleration, Read Condition Shock, Ready Condition Temperature and Humidity, Non-Operating Condition Marine Atmosphere, Ready Condition Vibration, Packed and Packaged Shock
7、, Packed and Packaged High Pressure, External Arming Wire Pull Test Insulation Resistance, Circuit Resistance, Pin Internal Leakage Accelerated Storage Life, Pin to Case to Pin Packed and Packaged Cond- dition Accelerated Storage Life, Ready Condition Low Temperature, Low Salinity Operation High Tem
8、perature, High Salinity Operation Paragraph Reference 4.4.4.1 4.4.4.2 4.4.4.3 4.4.4.4 4.4.4.5 4.4.4.6 4.4.4.7 4.4.4.8 4.4.4.9-y 4.4.4,11-/ 4.4.4.16 4.4.4,17 4.4.4.10 4.4.4.12 4.4.4.13 4.4.4.14 4.4.4.15 Test Sequence ABCDEFGH i 2 2 3 32 2 2 3 23 4434 33 55453444 66564555 77675666 2 2 88 8 77 7 67 IjB
9、attery assemblies shall be subjected to the internal leakage requirements of 4.4.4.10 within a 6 hour period, and operated in accordance with 4.4.4.14 or 4.4.4.15, as applicable, within a 48 hour period following the arming wire pull test or removal of the arming wire “ Page 11, paragraph 4.4.4.1. D
10、elete and substitute: “4.4.4.1 Inspection. The battery assemblies shall be subjected to the inspections detailed in 4.5.7.2, 4.5.7.6(a)(l), (a)(2), (a)(4), (a)(5), and (a)(6), and 4.5.7.6(b), in the sequence noted.“ Page 2 of 7 Licensed by Information Handling ServicesPage 13, paragraph 4.4.4.5: Del
11、ete last sentence (“Thereafter, 4 battery assemblies shall be.“). * Page 14, paragraph 4.4.4.11. Delete and substitute: “4.4.4.11 Arming wire pull test. The battery assembly shall be subjected to test (a), test (b), and test (c). The battery assembly shall be readied for test (a and thereafter test
12、(b) by cutting through the 22-1/4 inch leg of the arming wire in the red cutoff area near the 11/32 inch x 450 wire bend .I * Page 15. After paragraph 4.4.4.11(b) add following new paragraph: lot (150 units maximum) shall be cut at a convenient distance from the sleeve and removed from the battery a
13、ssembly. The 1/2 inch diameter and 1/4 inch diameter eyes of each arming wire shall be individually subjected to a pull test of 175 +10 -0 pounds and held for one minute. The eye is allowed to deform, but separation of the wire from the sleeve shall be cause for rejection of the arming wire producti
14、on lot .I1 “(c) A random sample of two arming wires out of each production Page 15, paragraphs 4.4.4.12 and 4.4.4.13. Delete and substitute: “4.4.4.12 Accelerated storage life, packed and packaged condition. The battery assembly, in the packed and packaged condition, shall be subjected to an environ
15、mental temperature of +1400F +5O -OOF, at ambient atmospheric conditions, for a period of 30 days. 4.4.4.13 Accelerated storage life, ready condition. The battery assembly, in the ready condition, shall be subjected to an environmental temperature of +1400F +50 -OOF, at ambient atmospheric condition
16、s, for a period of 14 days.“ Page 15, paragraph 4.4.4.14, line 5: Delete “The test fixture and electrolyte, Type A,“ and substitute “The electrolyte, Type A,“. Page 15, paragraph 4.4.4.15, lines 5 and 6: Delete “The test fixture and electrolyte, Type B,“ and substitute “The electrolyte, Type B,“. Pa
17、ge 15. Add the following new paragraphs: “4.4.4.16 Insulation resistance, pin-to-case. With the arming wire removed, the resistance between both pins A and B of the battery connector and the battery case shall exceed 20 megohms when measured at a potential of 50 210 volts direct current. 4.4.4.17 Ci
18、rcuit resistance, pin-to-pin. With the arming wire removed, the resistance between pins A and B of the battery connector shall be 470 K - +94 K ohms.“ Page 3of 7 Licensed by Information Handling ServicesMIL-B-82437A (4) L3 W 7777906 0360803 L m MIL-B-82439A( OS) AMENDMENT 4 Page 16, paragraph 4.4.5:
19、 In line 2 delete “by the supplier“ and substitute “by the testing facility“; under “Battery Test Data“ delete entries (g and (h) and substitute: “(8) Resistance pin-to-pin (Arming Wire Installed) pin-to-case (Arming Wire Removed) pin-to-pin (Arming Wire Removed) (h) Operation Test, Low Temp. High T
20、emp. Battery Assembly Degrees F Electrolyte Degrees F Electrolyte Percent Salinity output Time in seconds: 0.1, 0.2, 0.3, 0.45 0.5, l.09 2.0, 3.0, 5.0, 10.0 Voltage - - - - - - - - - (i) Polarity: Pin A , Pin B (j 1 Configuration 11 Page 16, paragraph 4.4.6: Delete “through 4.4.4.15“ and substitute
21、“through 4.4.417“. * Page 19, paragraph 4.5.7.6. Delete paragraph title and substitute: (alternate configuration)“; also add “(7) 2.121 +.002, -.O04 DIA. * Page 19, paragraph 4.5.7.7. Delete and substitute: subjected to test (a), test (b), and test (c). The battery assembly shall be readied for test
22、 (a) and thereafter test (b) by cutting through the 22-1/4 inch leg of the arming wire in the red cutoff area near the 11/32 inch x 450 wire bend.“ “4.5.7.6 Configuration (Refer to Dwg 2526883 or 2574743 “4.5.7.7 Arming wire pull test. The battery assembly shall be * Page 19. After paragraph 4.5.7.7
23、(b) add the following: lot (150 units maximum) shall be cut at a convenient distance from the sleeve and removed from the battery assembly. The 1/2 inch diameter and 1/4 inch diameter eyes of each arming wire shall be individually subjected to a pull test of 175 +10 -0 pounds and held for one minute
24、. The eye is allowed to deform, but separation of the wire from the sleeve shall be cause for rejection of the arming wire production lot .I1 “(c A random sample of two arming wires out of each production Page 4 of 7 Licensed by Information Handling ServicesPage 20, paragraph 4.5.8.2: Delete “Low te
25、mperature, low salinity operation. The battery cell, after being conditioned for 1 hour minimum at +2OF +2OF, shall be mounted in a test fixture similar to that shown in-Figure 7. The electrical test circuit shall be in accordance with Figure 6. The test fixture -.I1 Substitute “Low temperature, low
26、 salinity operation. The 2571089 battery cell shall be mounted in the holding fixture shown in Figure 7, and the 2574740 battery cell assembly (alternate configuration) shall be mounted in a fixture equivalent to the battery case. The electrical test circuit shall be in accordance with Figure 6. Aft
27、er being conditioned for 1 hour minimum at 20F +20F, the battery cell shall be installed in a test fixture similar-to that shown in Figure 5. The Test fixture -I. Page 21, paragraph 4.5.9(h): Delete “Arming wire pull . lbs . test I and substitute “Arming wire pull test * Pages 22 and 23. Delete Tabl
28、e IX and substitute: I TABLE IX Periodic Test Sequence Tests Sample Lot NO. No. of Units Kbration, Ready Condition kceleration, Ready Condition shock, Ready Condition remperature and Humidity llarine Atmosphere hing Wire Pull Test (c) Accelerated Storage Life Test, Ready Condition 2 High Pressure, E
29、xternal - Insulation Resistance Insulation Resistance, Circuit Resistance, Internal Leakage Pin-to-Pin Pin-to-Case Pin-to-Pin Sample and Test Sequence i; - 1 1 - 2 1 2 3 4 5 6 7 8 9 - Page 50f 7 7 5, etc. 3, 6, etc. 3 4 5 6 7 8 1 - Licensed by Information Handling ServicesPeriodic Test Sequence (Con
30、td) Sample and Test Sequence Tests 3, 6, etc. 2, 5, etc, 1, 4, etc. Sample Lot No. No. of Units 2 1 2 1 2 1 Low Temperature, Low High Temperature, High Salinity Operation 9 Salinity Operation 11 2 2 10 2 1 -/Visual check after testing. g/Battery Assemblies shall be subjected to the Internal Leakage
31、requirements of 4.5.7.5 within a 6 hour period, and operated in accordance with 4.6.3.8 or 4.6.3.9, as applicable, within a 48 hour period following arming wire removal. 11 Page 23, paragraph 4.6.3.1. Delete and substitute: “4.6.3.1 High pressure, external. External high pressure testing of the batt
32、ery assembly shall be performed in accordance with 4.4.4.9.“ * Page 24. Delete paragraphs 4.6.3.7 through 4.6.3.9 and substitute: performed in accordance with 4.5.7.7 (c 1. “4.6.3.7 The arming wire pull test, subsection (c), shall be 4.6.3.8 Accelerated storage life, ready condition. Accelerated sto
33、rage life testing of the battery assembly, in the ready condition, shall be performed in accordance with 4.4.4.13. 4.6.3.9 Low temperature, low salinity operation. Low temperature, low salinity operation of the battery assembly shall be performed in accordance with 4.4.4.14. 4.6.3.10 High temperatur
34、e, high salinity operation. High temperature, high salinity operation of the battery assembly shall be performed in accordance with 4.4.4.15. 4.6.3.11 Insulation resistance, pin-to-pin. With the arming wire installed, perform a pin-to-pin insulation resistance test in accordance with 4.5.7.2. Page 6
35、0f 7 Licensed by Information Handling ServicesMIL-B-82439A( OS) AMENDMENT 4 4.6.3.12 Insulation resistance, pin-to-case. With the arming wire removed, perform a pin-to-case insulation resistance test in accordance with 4.4.A.16. 4.6.3.13 Circuit resistance, pin-to-pin. Pin-to-pin circuit resistance
36、testing of the battery assembly shall be performed in accordance with 4.4.4.17. 4.6.3.14 Internal leakage. The battery assembly shall be subjected to the internal leakage test in accordance with 4.4.4.10.“ * Page 24, paragraph 4.6.5: Delete “4.6.3.1 through 4.6.3.9“ and substitute “4.6.3.1 through 4
37、.6.3.14“. Page 25, paragraph 6.3.9: Delete first sentence and substitute “The electrolyte shall consist of tap water and sea salts or sea water adjusted to meet the requirements of Type A and B solutions, as required . The margins of this amendment are marked with an asterisk to indicate where chang
38、es (additions, modifications, corrections, deletions) from the previous issue were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue. . Custodian Navy - OS Preparing Activity Navy - OS Project No. 1355-N39.5 Page 7 of 7 Licensed by Information Handling Services
