MIL-B-49030A
4.6.1.1 Definition of lot. A lot shall be defined as the quantity of batteries of any one type, of any one contract,
submitted at one time to conformance inspection.
4.6.1.1.1 Shipment lot. The shipment for (Ns) is the quantity of batteries (exclusive of the number of batteries
required as samples) of any one type, of any one code, and produced at any one place of manufacture on any one
contract.
4.6.1.1.2 Contract lot. The contract lot (N) is the total of all batteries (exclusive of the number of batteries required
as samples) of any one type, delivered in one or more shipment lots, under the terms of any one contract.
4.6.1.2 Group A inspection. Group A inspection shall consist of the inspection and tests specified in table III.
TABLE III. Group A inspection.
Examination and test
Requirement
Test method
paragraph
paragraph
Visual -mechanical (external)
Battery voltage
Electrical insulation continuity 1/
1/ When applicable.
4.6.1.2.1 Sampling plan. Group A inspection shall be on an inspection lot basis. Sample size shall be selected in
accordance with table IV, based on the inspection lot. If there are one or more failures, the inspection lot shall be
considered to have failed.
TABLE IV. Group A, zero defect sampling plan.
Lot size
Sample size
100 percent
2 to
8
13
9 to
15
13
16 to
25
13
26 to
50
.13
51 to
90
.13
91 to
150
20
151 to
280
29
281 to
500
34
501 to 1,200
42
1201 to 3,200
50
3201 to 10,000
4.6.1.3 Group B1 inspection. Group B1 inspection shall consist of the examinations and tests specified
in table V in the order shown, and shall be made on sample units from inspection lots which have passed
group A inspection.see 4.6.1.2).
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