MIL-DTL-14055G
4.3.1 Stabilization of test temperatures. Unless otherwise specified, the test temperature in the chamber
shall be stabilized before conducting the test.
4.3.2 Test fluids. Unless otherwise specified, the test fluid shall be brake fluid in accordance with
MIL-PRF-46176.
4.4 Qualification inspection (see 6.3). Qualification inspection shall be performed at a laboratory
acceptable to the qualifying activity on sample units produced with equipment and procedures used in
production.
4.4.1 Samples for qualification inspection. Samples for qualification inspection shall be representative of
the products proposed to be furnished to this specification.
4.4.2 Inspection routine. The samples shall be subjected to the inspections specified in table IV in the
order shown.
TABLE IV. Quality certification inspection.
Requirement
Requirement
Test method
Qualification
Conformance
Periodic
paragraph
paragraph
(Group A)
(Group B)
Χ
Χ
Accelerated aging
Χ
Bendability
Χ
Fluid leak
Χ
Χ
Resistance to fluids
Χ
Χ
Heat pressure stroking
Χ
Sedimentation
Χ
Corrosiveness
Χ
Storage corrosion
Χ
Χ
Visual
Χ
Χ
Hardness
4.4.3 Failures. One or more failures shall be cause for refusal to grant qualification approval.
4.4.4 Retention of qualification. To retain qualification, the supplier shall submit a report at 12-month
intervals to the qualifying activity. The qualifying activity shall establish the initial reporting date. Each
report shall contain a summary of the results obtained from both the sampling tests and the periodic
control tests performed during the 12-month interval. The number of lots and quantities of molded cups
that have passed and failed shall be included. All reworked sampling lots shall be accounted for and
identified.
4.4.4.1 Nonconformance of qualification. If the summary of test results indicates nonconformance with
the requirements specified herein and the corrective measures acceptable to the qualifying activity has
not been taken, action may be taken to remove the failing product from the QPL.
4.4.4.2 Periodic qualification test report. Failure to submit the report within 30 days after the end of each
12-month period may result in loss of qualification. In addition to the periodic submission of inspection
data, the manufacturer shall immediately notify the qualifying activity at any time during the12-month
period that the inspection data indicates failure of the qualified product to meet the requirements specified
herein. If there has been no production during the reporting period, a report shall be submitted certifying
that the manufacturer still has the capabilities and the facilities necessary to produce the qualified
product. If there has been no production during two consecutive report periods, the manufacturer may be
required, at the discretion of the qualifying activity, to submit his qualified product for testing in
accordance with the qualification inspection requirements.
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