MIL-DTL-82909A (OS)
TABLE IV. Lot acceptance inspections and tests.
Inspection/Test
Test
Requirement
Quantity
Paragraph
Paragraph
1. Visual Inspection
4.3.1
3.5.1, 3.7
Test and retain sample
2. Radiographic Inspection
4.3.2
3.5.2
Test and retain sample
3. Leakage
4.3.3
3.5.3
Test and retain sample
4. Insulation Resistance
4.3.5
3.5.5
Test and retain samples
5. Dielectric measurement
4.3.6
3.5.6
Test and retain samples
6. Function Test:
4.3.14
3.6.8
-65 ± 5°F
1/3 Sample1
70 ± 5°F
1/3 Sample
200 ± 5°F
1/3 Sample
Odd battery packs shall be conditioned at -65°F.
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TABLE V. Lot acceptance sampling.
Lot Size
Test Sample Size
Retained Sample Size
2 - 50
4
1
51 - 90
6
1
91 - 150
10
2
4.3.1.2 Packaging inspection. The condition of the packaging (inner container), packing (outer
container), and markings shall be determined by comparison to the requirements of the contract.
4.3.2 Radiographic examination. Radiographic examination shall be in accordance with ASTM E1742.
All battery packs and thermal batteries shall be identified with serial numbers beginning with 001 prior to
examination. The battery packs and thermal batteries shall be arranged on boards or trays in consecutive
order with any missing serial numbers identified on the radiographic plate. Each radiograph shall carry a
permanent identification of the items displayed thereon in a 4 x 6 inch region, maximum. The radiographic
identification shall include the drawing number, the complete lot number in accordance with MIL-STD-
1168 for the battery pack, the contract number, and the span of serial numbers displayed. Radiographs of
the entire production lot shall accompany the ballistic sample to the activity conducting the tests. Any
observable imperfections as outlined in 3.5.2 shall be cause for rejection of the battery pack, the thermal
battery, or both. Defective battery packs or thermal batteries found during radiographic review are to be
marked on the radiographic plate and removed from the production lot.
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