MIL-PRF-11264F
in any 30-day test period. The containers shall be subjected to the control tests specified in table
II.
4.5.1 Failure. Failure of any container to pass any of the specified control tests shall be
cause for the Government to refuse acceptance of the production quantity represented, until
action taken by the contractor to correct defects and prevent recurrence has been approved by the
Government.
4.6 Method of inspection.
4.6.1 Test/inspection conditions. Unless otherwise stated, all testing shall be conducted
under ambient temperature and humidity conditions.
4.6.2 Performance.
4.6.2.1 Stackability. To determine conformance to 3.3.1.1, a load equal to 1.5 times the
total weight of fully packed containers stacked to a height of 4900 mm (15.9 ft) shall be placed
on top of the container to be tested for 24 hours without tipping or demonstrating other physical
distortion likely to cause instability.
4.6.2.2 Rough-handling tests. Samples selected for testing (see 3.3.1.2) shall be packed
as for shipment and subjected to the cornerwise-drop test (see 4.6.2.2.1) followed by the
pendulum-impact test (see 4.6.2.2.2) or the incline-impact test (see 4.6.2.2.3) and then subjected
to the vibration test (see 4.6.2.2.5). If the cornerwise-drop test is impractical because of
container size or shape, the edgewise-drop test (see 4.6.2.2.4) may be substituted in lieu thereof.
The container shall be packed with the item for which it was originally designed or with a
dummy load of the same size, weight, and weight distribution.
4.6.2.2.1 Cornerwise-drop test. To determine conformance to 3.3.1.2.1 the cornerwise-
drop test shall be conducted in accordance with ASTM D4169 except as modified by table IV for
drop heights.
4.6.2.2.2 Pendulum-impact test. To determine conformance to 3.3.1.2.2, the pendulum
impact test shall be conducted in accordance with ASTM D4169 except as modified by table IV
for impact heights.
4.6.2.2.3 Incline-impact test. To determine conformance to 3.3.1.2.3, the incline-impact
test shall be conducted in accordance with ASTM D4169 except as modified by table IV for
impact heights.
4.6.2.2.4 Edgewise-drop. To determine conformance to 3.3.1.2.4, the edgewise-drop test
shall be conducted in accordance with ASTM D4169 except as modified by table IV for drop and
impact heights.
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