MIL-DTL-27536C
4.2.4 Retention of qualification. To retain qualification, the contractor
shall forward a report at 12-month intervals to the qualifying activity. The
qualifying activity shall establish the initial reporting date. The report
shall consist of:
a.
A summary of the results of the tests performed for inspection of
product for delivery, indicating as a minimum the number of lots that
have passed, the number that have failed, and the group which they
failed. The results of tests of all reworked lots shall be identified
and accounted for.
b.
A summary of the results of tests performed for periodic inspection,
including the number and mode of failures. The summary shall include
results of all periodic inspection tests performed and completed during
the 12-month period. If the summary of the test results indicates
nonconformance with specification requirements, and corrective action
acceptable to the qualifying activity has not been taken, action may be
taken to remove the failing product from the qualified products list.
Failure to submit the report within 30 days after the end of each 12-month
period may result in loss of qualification for the product. In addition to
the periodic submission of inspection data, the contractor shall immediately
notify the qualifying activity at any time during the 12-month period that the
inspection data indicates failure of the qualified product to meet the
requirements of this specification.
In the event that no production occurred during the reporting period, a report
shall be submitted certifying that the company still has the capabilities and
facilities necessary to produce the item. If during two consecutive reporting
periods there has been no production, the manufacturer may be required, at the
discretion of the qualifying activity, to submit his qualified products to
testing in accordance with the qualification inspection requirements and the
reason for no production.
4.3 Quality conformance inspections.
Quality conformance inspections
shall consist of:
a.
Individual inspections (see 4.3.1).
b.
Sampling inspections (see 4.3.2).
4.3.1 Individual inspections. Each coupling shall be subjected to the
examination of product (see 4.5.1).
4.3.2
Sampling inspections.
Sampling tests shall consist of the following
tests:
a.
Individual inspections (see 4.3.1).
b.
Assembly and torque deformation (see 4.6.1).
4.3.2.1 Samples. Statistical sampling and inspection shall be in
accordance with the general requirements of ANSI/ASQC Z1.4. Lot acceptance
criteria shall be based on a single sampling plan with a zero acceptance
number.
4.4
Test conditions.
4.4.1 Temperature. Unless otherwise specified, testing shall be conducted
at normal room temperature.
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