MIL-B-18F
TABLE III. First article inspection.
Examination and tests
Requirement
Method of test
Group
Number of
batteries
paragraph
paragraph
Visual and mechanical examination
(external)
Battery voltage
Dimensions and weight
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3.7 and 3.7.1
I
Vibration 1/
Mechanical shock 1/
Insulation resistance 1/
Capacity
4.7.11 through 4.7.11.4
10
Electrolyte leakage 1/
3
II
Jacket integrity
2
Visual and mechanical examination
(internal)
III
1
Untested reference - sample
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1/ When applicable.
4.5.3 Failures. Failure of any battery to comply with any of the examinations and tests, shall be cause for failure of
first article inspection.
4.5.4 Noncompliance. If a sample fails first article inspection, the contractor shall take corrective action on the
materials or processes, or both, as warranted, to eliminate the cause of failure. The contractor, at no additional cost to
the Government, shall be required to fabricate an additional first article inspection lot and subject them to reinspection.
A description of the corrective action taken shall be included in the first article inspection test report. Government
approval to begin production shall be given only upon the successful completion of first article inspection.
4.5.5 Start of production. Any production of batteries by the contractor, prior to materials and components
inspection (see 4.4) and approval of first article inspection, shall be at his own risk.
4.6 Conformance inspection.
4.6.1 Inspection of product for delivery. Inspection of product for delivery shall consist of materials and
components inspection and group A and group B inspections (see 4.4 and 4.6.1.2 through 4.6.1.3). This does not
relieve the contractor of his responsibility for performing any additional inspection which is necessary to control the
quality of the product and to assure compliance with all specification requirements. The Government shall review and
evaluate the contractor's inspection procedures and examine the contractor's inspection records. In addition, the
Government, at its discretion, may perform all or any part of the specified inspection to verify the contractor's
compliance with specified requirements. Test equipment for Government verification shall be made available by the
contractor.
4.6.1.1 Lot definitions.
4.6.1.1.1 Shipment lot. A shipment lot (Ns) is the quantity of batteries (exclusive of the number of batteries
required as test sample units) of any one type, any one code, and produced at any one place of manufacture, on any
one contract.
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