MIL-DTL-83522E
4.6.1.2 Periodic inspection. Periodic inspection shall consist of group C inspection. Except where the results of these inspections
show noncompliance with the applicable test requirements (see 4.6.1.2.1.4), delivery of products which have passed groups A and B
shall not be delayed pending the results of these qualification verification inspections.
4.6.1.2.1 Group C inspection. Group C inspection shall consist of the inspections specified in table V, 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.
4.6.1.2.1.1 Sampling plan. Group C inspection shall be performed on connectors of the same part number with their mating
connectors 3 years after initial qualification and within each 3 year period thereafter. Six sample units shall be selected form the first lot
produced. Six sample units shall also be selected 2 years after qualification or after 200,000 connectors have been produced,
whichever occurs first. The sample units shall be subjected to all tests.
4.6.1.2.1.2 Failures. If one or more sample units fail to pass group C inspection, the sample shall be considered to have failed.
4.6.1.2.1.3 Disposition of sample units. Sample units which have been subjected to group C inspection shall not be delivered on
the contract or order.
4.6.1.2.1.4 Noncompliance. If a sample fails to pass group C inspection, the manufacturer shall notify the qualifying activity and
the cognizant inspection activity of such failure and take corrective action on the materials or processes, or both, as warranted, on all
units of product which can be corrected and which are manufactured under essentially the same materials and processes, and which
are considered subject to the same failure. Acceptance and shipment of the product shall be discontinued until corrective action,
acceptable to the qualifying activity has been taken. After the corrective action has been taken, group C inspection shall be repeated
on additional sample units (all tests and examinations, or the test which the original sample failed, at the option of the qualifying
activity). Groups A and B inspections may be reinstituted; however, final acceptance and shipment shall be withheld until the group C
inspection has shown that the corrective action was successful. In the event of failure after re-inspection, information concerning the
failure shall be furnished to the cognizant inspection activity and the qualifying activity.
4.6.2 Inspection of packaging. The sampling and inspection of the preservation, packing, and container marking shall be in
accordance with the requirements of MIL-DTL-55330.
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