MIL-PRF-25670B
Shock (specified pulse)
3.5.14
4.5.15
Salt spray (corrosion)
3.5.15
4.5.16
Fungus 1/
3.5.16
4.5.17
1/ Test is to be performed if certification
is not provided (see 4.5.17).
4.3.3
Failures. One or more failures shall be cause for refusal to grant qualification approval.
4.3.4 Verification of qualification. To retain qualification, the manufacturer shall forward a report
at 12-month intervals to the qualifying activity. The qualifying activity will 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, groups
A and B, indicating as a minimum the number of lots that have passed and the number that
have failed. The results of tests of all reworked lots shall be identified and an explanation
provided for any failures, how the underlying problem was removed, and subsequent test
results.
b. A summary of the results of tests performed for periodic inspection, group C, 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 (QPL).
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
manufacturer 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 manufacturer 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 earphone elements to testing in
accordance with the qualification inspection requirements.
4.4
Conformance inspection
4.4.1 Inspection of product for delivery. Inspection of product for delivery shall consist of group
A and group B inspections.
4.4.1.1 Inspection lot. An inspection lot shall consist of all earphone elements covered by a
single specification sheet produced under essentially the same conditions, and offered for inspection
at one time.
4.4.1.2 Group A inspection. Group A inspection shall consist of the inspections specified in
table II, in the order shown.
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