MIL-DTL-55353A
4. VERIFICATION
4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the supplier is
responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in
the contract or order, the supplier may use his own or any other facilities suitable for the performance of the
inspection requirements specified herein, unless disapproved by the Government. The Government reserves the
right to perform any of the inspections set forth in the specification where such inspections are deemed necessary
to assure supplies and services conform to prescribed requirements.
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4.1.1 Test equipment and inspection facilities. Test and measuring equipment and inspection facilities of
sufficient accuracy, quality, and quantity to permit performance of the required inspection shall be established and
maintained by the supplier. The establishment and maintenance of a calibration system to control the accuracy of
the measuring and test equipment shall be in accordance with ISO-10012-1 and NCSL Z540-1 or equivalents as
approved by the procuring activity.
4.2 Classification of inspections. The inspection requirements specified herein are classified as follows:
(a)
Components inspection (see 4.3).
(b)
Conformance inspection (see 4.4).
4.2.1 Inspection conditions. Unless otherwise specified herein, all inspections shall be performed in accordance
with the test conditions specified in the "GENERAL REQUIREMENTS" of MIL-STD-202.
4.3 Components inspection. Components inspection shall consist of certification supported by verifying data
that the components shown in figure 1, used in the headsets, are in accordance with the applicable referenced
specifications and standards.
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. Except as specified in 4.4.1.4.4, delivery of products which have passed group A and group B
inspections shall not be delayed pending the results of group C inspection.
4.4.1.1 Inspection lot. An inspection lot shall consist of all headsets 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 inspection and test specified in table I, in the
order shown.
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4.4.1.2.1 Sampling plan. A sample of parts shall be randomly selected in accordance with table II. If one or
more defects are found, the lot shall be rescreened and defects removed.
4.4.1.2.2 Rejected lots. If an inspection lot is rejected, the supplier may rework it to correct the defects, or
screen out the defective units, and resubmit for reinspection. If one or more defects are found in the second
sample, the lot shall be rejected and shall not be supplied to this specification.
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