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|  MIL-N-81497A(AS)
Sampling Tests - Equipments selected for sampling
4.4.2
test shall first have passed the individual tests. Equipments
shall be selected for sampling tests by the government inspector in
accordance with the following: (Sampling tests shall not be conducted
unless Reliability Assurance Tests of 4.4.3 are deleted by contractual
action).
Quantity to be Selected
Quantity of Equipments
for Sampling Tests
Offered for Acceptance
0*
First 10
1
Next 50
1
Next 75
1
Next 100
1 for each additional
200 or fraction thereof
If by contract action the Initial Production Test (4.3)
*Note:
is deleted, then a Sample Test shall be conducted on one
equipment from the first 10 produced.
Scope of Tests - As a minimum, each equipment
4.4.2.1
selected for sampling tests shall be subjected to the following tests:
Complete operational test at ambient room
(1)
conditions making all necessary measurements
to assure that all applicable specification
requirements have been met.
Operational test at certain environmental
(2)
conditions. The conditions may vary for each
equipment tested and should be based on
results of the preproduction, initial production,
individual and special tests.
Manufacturing run in test specified in
(3)
4.4.1.3 except that the test duration shall
be 120 hours with no restriction on the number
of failures. However, each failure shall be
analyzed as to cause and remedial action
necessary to reduce the possibility of its
recurrence in future equipment.
Reliability Assurance Tests - Reliability Assurance
4.4.3
Tests shall be conducted using MIL-STD-781, Tests as required by
both the Qualification Phase and the Sampling Phase shall be conducted.
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