MIL-DTL-75K
4.2 Inspection conditions. All inspections shall be performed in accordance with the test conditions
specified in the general requirements of MIL-STD-202.
4.3 Classification of inspections. The inspections specified herein are classified as follows:
a. Materials inspection (see 4.4).
b. First article inspection (see 4.5).
c. Conformance inspection (see 4.6).
4.4 Materials inspection. Materials inspection shall consist of certification supported by verifying data
that the materials used are in accordance with the applicable requirements specified herein.
4.5 First article inspection. Unless otherwise specified (see 6.2), first article inspection shall be
performed by the contractor after award of contract and prior to production at a time and location
acceptable to the Government. First article inspection shall not be required (a) when there have been
changes in materials, processes, or packaging design that will not adversely affect item protection since
the last recorded inspection; (b) when special, detailed packaging instructions are furnished by the
acquiring activity; (c) where commercial packaging protection is specified or; (d) (subject to the approval
of the administrative contracting officer) when a prior successful inspection was conducted on a like item
and pack. In the event electron tubes are supplied to government activities from existing inventories, the
applicable first article inspections may be integrated with the conformance inspection requirements.
4.5.1 Sample size. One sample unit consisting of a military pack, as applicable, shall be submitted for
first article inspection. The sample for the rough handling test shall consist of a complete pack as
prepared for shipment except that when the unit container conforms to ASTM-D5118/D5118M, the
sample shall apply to the unit pack. The sample for the leakage test shall be five unit packs selected at
random from the first article exterior pack (shipping container).
4.5.2 Inspection routine. The sample shall be subjected to the inspections specified in table I and in
table II. The leakage test, when applicable, shall follow the rough handling test.
4.5.3 Failures. One or more failures shall be cause for refusal to grant first article approval.
4.5.4 Resubmission of first article sample. If the sample fails to pass first article inspection, the
contractor shall change the preservation and packing processes to correct the cause of the deficiency.
First article inspection shall be performed on a corrected sample to prove that the corrective action is
acceptable.
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