MIL-DTL-8790F
4.6.5 Discontinuation and resumption of production. If there has been no production of a specific
size for a period of three years or more, samples shall be randomly selected from the first lot produced
when production of that size has been resumed. Two (2) samples shall be subjected to each of the
sampling tests and the remaining four (4) samples shall be subjected to the periodic control tests (see
table IV).
4.6.6 Alternate conformance inspection criteria. Hose assemblies, consisting of hose and end
fittings, shall meet the requirements of this specification. Alternatively, when the identical hose is
manufactured and tested in accordance with MIL-DTL-8788, and the identical hose fittings are
manufactured and tested in accordance with MIL-DTL-8789, and these items are later mated into a hose
assembly in accordance with MIL-DTL-8790, it is not necessary to test the hose assembly to meet the
conformance inspection requirements of this specification. This applies when substantially identical test
requirements and test procedures are required for the assembly and the individual components and upon
documented approval by the qualifying activity. When conformance inspection data is to be accepted for
the hose in accordance with MIL-DTL-8788, the hose shall be tested at lest once every 36 months, or
once every 20,000 feet of hose produced, whichever occurs first. For the purpose of this specification,
10,000 hose assemblies is equivalent to 20,000 feet of bulk hose.
4.7 Additional QPL test and reporting requirements.
4.7.1 Retention of qualification. To retain qualification, the contractor shall submit a test report to the
qualifying activity at 12 month intervals. The qualifying activity shall establish the initial reporting date.
Each report shall consist of a summary of test and inspection results required by this specification that
were performed during the 12 month reporting interval. As a minimum, the report shall include the
following:
a.
Number of lots produced and tested, including lot and sample sizes for each lot.
b.
Identify which tests were performed.
c.
Quantities passed.
d.
Quantities failed.
e.
All reworked sampling lots shall be accounted for and identified. A summary of corrective action
taken shall be included.
4.7.2 Loss of product qualification.
4.7.2.1 Failure to meet test requirements. The manufacturer shall immediately notify the qualifying
activity at any time during the 12-month reporting period when the qualified product fails to meet the test
and inspection requirements of this specification. The manufacturer shall identify and indicate what
corrective action will be taken to correct the problem. Failure to take corrective action acceptable to the
qualifying activity may result in removal of the product from the QPL.
4.7.2.2 Failure to submit summary test data report. Failure to submit a report within 30 days after the
end of the 12 month reporting period may result in loss of qualification for the product.
4.7.2.3 Change to manufacturing process, materials or equipment. The manufacturer shall notify the
qualifying activity, in writing, of any changes in the manufacturing process, materials, or equipment used
to manufacture a QPL product. Subsequently, the qualifying activity will notify the manufacturer, in
writing, if a full re-qualification, partial re-qualification, or no additional testing is required as a result of
these changes.
4.7.2.4 No production during reporting period (12 months). When no production occurs during the
reporting period, a report shall be submitted to the qualifying activity certifying that the manufacturer still
has the capability and facilities necessary to produce the QPL product.
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