MIL-C-81861(AS)
Scope of Tests. Special tests shall consist of such tests as approved
4.4.4.2
by the procuring activity. Test procedures previously approved for the preproduction
tests shall be used where applicable. When not applicable, the contractor shall
prepare a test procedure and submit it to the procuring activity for approval prior
to conducting the tests.
4.4,5
Equipment Failure. Should a failure occur during either the sampling,
reliability assurance or special tests, the following action shall be taken:
a.
Determine the cause of failure.
b. Determine if the failure-is an isolated case or a design defect.
c. Submit to the procuring activity for approval, proposed corrective action
intended to reduce the possibility of the same failure(s) occurring in future tests.
d. Where practical, include a test in the individual test to check all equipment
for this requirement until reasonable assurance is obtained that the defect has been
satisfactorily corrected.
Life Test. The contractor shall furnish all samples and shall be
4.5
responsible for accomplishing the life test. The test shall be of 300-hours duration
and shall be conducted on equipments that have passed the individual tests. The life
test shall be performed under the conditions specified in 4.5.1. The life test
sample shall be selected by the Government Inspector in accordance with the following.
(Equipments which have successfully passed the initial production test, sampling
tests, reliability tests, or special tests may be selected for life tests.) When
reliability tests are conducted, the life test may be omitted if, during the
reliability tests, a quantity of equipments equal to, or more than, that listed below
receive at least 300 hours each of test time.
Quantity to be Selected
Quantity of Equipments
for Life Test
Offered for Acceptance
1
First 25
1
Next 175
1
Next 300
1 for each additional 500
or fraction thereof
Test Conditions. The life test shall be conducted under the following
4.5.1
simulated. service conditions:
Normal room
Temperature
Normal ground (0 - 500 ft.)
Altitude
Room ambient
Humidity
115 ± 5 volts (at lowest
AC Voltage
applicable frequency)
27.5 ± 2.0 volts
DC Voltage
16
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