MIL-DTL-28786C
TABLE V. Functional inspections.
Test
Requirement
Method
paragraph
paragraph
Rough handling (when specified)
3.5.1.1
4.5.2.1
Leakage (when applicable)
3.5.1.2
4.5.2.2
4.4.3.1 Sampling plan. Sampling plans shall be as follows:
a. One sample unit for the rough handling test shall be selected whenever the design of the item or packaging
is changed.
b. For unit packs requiring waterproof or water-vapor proof barriers, five sample units for the leakage test shall
be selected daily, at random, from the first lot processed each day. Five additional samples shall be selected
at random from the day's total production.
c. The leakage test shall also be performed following the rough handling test on unit packs requiring
waterproof water-vapor proof barriers. Five containers (if less than five) shall be selected.
4.4.3.2 Failures. One or more failures shall be cause for rejection of the lot.
4.4.3.3 Disposition of sample units. Sample units, which have passed the inspections, specified in table V may be
delivered on the contract, if the lot is accepted and opened packs have been reprocessed.
4.4.3.4 Noncompliance. If a sample fails to pass the inspections specified in table IV, the contractor shall take
corrective action on the materials or processes or both, as warranted, on all units, intermediate, and exterior
(shipping) packs which can be corrected and which were processed under essentially the same conditions, with
essentially the same materials, and which are considered subject to the same failure. Acceptance of the unit,
intermediate, and exterior packs shall be discontinued until corrective action has been taken and the applicable
inspections specified in table IV have been repeated on additional sample units (all inspections or the inspection
which the original sample failed, at the option of the Government). Inspections specified in table IV may be
reinstituted; however, final acceptance shall be withheld until the reinspection in accordance with table IV has shown
that the corrective action was successful. In the event of failure after reinspection, information concerning the failure
and corrective action taken shall be furnished to the administrative contracting officer.
4.5 Methods of inspections and tests.
4.5.1 Visual and dimensional inspections. Unit, intermediate, and exterior packs shall be examined to verify that
the materials, designs, methods, physical limitations, marking, and workmanship are in accordance with the
applicable requirements (see 3.1 through 3.6).
4.5.2 Functional tests.
4.5.2.1 Rough handling. Packs shall be subjected to the applicable rough handling tests and the interpretation of
results or cause for rejection as specified in 3.5.1.1 and MIL-STD-2073-1.
4.5.2.2 Leakage. When a waterproof or water-vapor proof barrier is required, the unit pack shall be subjected to
the applicable leakage test and interpretation of results as specified in 3.5.1.2 and MIL-STD-2073-1.
5. PACKAGING
This section is not applicable to this specification.
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