MIL-DTL-55074G
4.6.1.3 Group B inspection. Group B inspection shall consist of the inspections specified in table V, in the
order shown, and the sample shall be selected from inspection lots that have passed group A inspection.
TABLE V. Group B inspection.
Inspection
Requirement
Test method
paragraph
paragraph
Immersion (contact assembly and connector)
Interchangeability (contact assembly and connector)
4.6.1.3.1 Group B Sampling plan. Statistical sampling and inspection shall be performed on an inspection
lot basis with a random sample of components selected in accordance with table VI. Acceptance shall be
based upon the zero defective sampling plan. No failures shall be permitted.
TABLE VI. Group B sampling plan.
Lot size
Sample size
2-25
1
26-150
2
151-10000
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4.6.1.3.2 Group B rejected lots. If an inspection lot is rejected, the contractor may rework it to correct the
defects, or screen out the defective units, and resubmit for reinspection. Such lots shall be separate from
new lots, and shall be clearly identified as reinspected lots.
4.6.1.3.3 Disposition of sample units. Sample units which have passed all the group B inspection may be
delivered on a contract if the lot is accepted.
4.6.2 Periodic inspection. Periodic inspection shall consist of groups C and D inspections. Except where
the results of these inspections show noncompliance with the applicable requirements (see 4.6.2.1.4),
delivery of products which have passed groups A and B inspections shall not be delayed pending the
results of these periodic inspections.
4.6.2.1 Group C inspection. Group C inspection shall consist of the inspections specified in table VII, in
the order shown. Group C inspection shall be made on sample units selected from inspection lots which
have passed the groups A and B inspections.
TABLE VII. Group C inspection.
Inspection
Requirement
Test method
Number
paragraph
paragraph
sample units
for inspection
1/
Durability (contact assembly and
2
connector)
Mating of covers (cover)
2
Contact durability (contact assembly)
2
Pull (connector)
2
1/ All inspections may be performed on the same two sample units.
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