MIL-DTL-3643B
TABLE II. Group A Inspection.
Examination of test
Requirement
Method
paragraph
paragraph
4.4.1
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Visual and mechanical examination:
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3.6
Marking
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3.7
Workmanship 1/
Gage tests for contacts (assembled connectors:
4.4.1.2.1
3.3.3.1
center contacts (female))
4.4.1.2.2
3.3.3.2
Outer contacts
4.4.2
3.4
Dielectric withstanding voltage
1/ Assembly, fit of parts, and plating coverage.
4.3.1.3.1 Sampling plan. Table II tests shall be performed on a production lot basis. Samples shall be
selected in accordance with table III. If one or more defects are found, the lot shall be screened for that
particular defect and defects removed. A new sample of parts shall be selected in accordance with
table III and all group A tests again performed. If one or more defects are found in the second sample,
the lot shall be rejected and shall not be supplied to this specification.
4.3.1.3.1.1 Visual inspection (group A inspection). Each connector shall be visually examined for
completeness, workmanship, and identification requirements. Attention shall be given to those
assemblies that require a gasket to determine the condition of the gasket. Gaskets missing, twisted,
buckled, kinked, or damaged in any way shall be cause for rejection. Group A inspection shall be
performed in any order acceptable to the Government.
TABLE III. Inspection level.
Visual and
mechanical
Lot size
inspection
All
1 to 15
20
16 to 280
47
281 to 1,200
53
1,201 to 3,200
68
3,201 to 10,000
77
10,001 to 35,000
96
35,001 to 150,000
119
150,001 to 500,000
143
500,001 and over
4.3.1.4 Group B inspection. Group B inspection shall consist of the examinations specified in table IV,
in the order shown, and shall be made on sample units which have passed group A inspection. The
same set of sample units shall be used for both subgroups.
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