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|  MIL-N-81207A(AS)
(4) 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
4.5
samples and shall be 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 test. 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 Test8 Sampling Tests8
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 Periods - The life test shall be conducted
4.5.1
under the following s imulated service conditions:
Normal Room
Temperature
Normal Ground (0-5000 ft)
Altitude
Room Ambient
Humidity
115 5 volts (at lowest
A.C.
applicable frequency)
Voltage
27.5 2.0 volts
DC Voltage
Test Periods - The test may be run continuously
4.5.2
or intermittently. Any period of operation shall be of sufficient
duration to permit the equipment-temperature to stabilize.
63.
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