MIL-PRF-29504B
4.7.1.3.1 Sampling plan. A minimum of sixteen sample units shall be
selected from a lot of the same PIN within 24 months after the date of
notification of qualification and during every 24 month period thereafter,
except, when the total production in a 24 month period is less than 500 units
of product or a total of 60 months have elapsed since the inspection was
performed, in which case only eight specimens shall be tested. At no time
shall the group B inspections be extended beyond 60 months.
4.7.1.3.2 Failures. If one or more sample units fail to pass group B
inspection, the lot from which the samples were selected shall be rejected.
4.7.1.3.3 Rejected lots. Requirements regarding the rework of rejected
lots shall be as identified in the qualification instructions (see 6.4.1).
4.7.1.3.4 Disposition of sample units. Sample units that have passed all
inspection tests of group B may be shipped or tested to group C. Sample units
which have failed any of the group B inspection tests shall not be shipped,
even though the lot submitted is accepted.
4.7.2 Periodic inspection (group C). Inspection of product for
qualification verification shall consist of group C inspections, as specified
in table IV. The inspections shall be run in the order shown on sample units
which have passed group A and B inspections. Except where the results of the
inspections show non compliance with the applicable requirements (see
4.7.2.1.4), delivery of inspection lots which have passed group B inspection
shall not be delayed pending the results of group C inspection.
Group C
inspection shall be performed every 60 months following notification of
qualification acceptance.
4.7.2.1 Group C inspection. Group C inspection shall consist of the tests
specified in table IV in the order shown. Group C inspection shall be
performed on sample units of each style and selected from the inspection lots
which have passed group A and B inspections. Group C inspection sample shall
be representative of production.
4.7.2.1.1 Sampling plan. Every 60 months, a minimum of sixteen sample
units of the same PIN, which have passed group B inspection shall be selected.
Sixteen specimens shall be subjected to the inspections of groups I and II.
Specimens as required by the qualification connector specification (see 3.1)
shall be subjected to the inspections of group III.
4.7.2.1.2 Failures One or more specimen or sample unit failures shall
constitute group C inspection failure.
4.7.2.1.3 Disposition of sample units. Sample units which have been
subjected to group C inspection shall not be shipped.
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