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|  MIL-T-23693(WEP)
4.4.2
Sampling Tests - Equipments selected for sampling tests Shall first have passed
the lndividual tests. Equipments shall be selected for sampling tests by the government inspector
in accordance e with the following:
Quantity to be Selected
Quantity of Equipments
For Sampling Test
Offered for Acceptance
1
First 10
1
Next 50
Next 75
1
Next 100
1
1 for each additional 200
or fraction thereof
4.4.2.1
Scope of Tests - As a minimum, each equipment selected for sampling tests shall
be subjected to the following tests:
(1) Complete operational test at ambient room conditions, making all necessary
measurements to assure that all applicable specification requirements have
been met.
(2) Operational test at certain environmental conditions. The conditions may
vary for each equipment tested and should be based on results of the prepro-
duction and special tests.
4.4.3
Special Tests - Special tests shall be conducted on a quantity of equipments for the
purpose of checking the effect of any design or material change on the performance of the equipment
and to assure adequate quality control The equipment selected for special tests may be selected
from equipments previously subjected to the sampling tests.
4.4.3.1 Special Test Schedule - Selection of equipments for special tests shall be made as
follows. except that when a Production Sample is requested and delivered to a government laboratory
for test (see 4. 3) the requirement for a special test on an early production equipment may be omitted.
(1) On an early production equipment,
(2) On an early equipment after an engineering change.
(3) Whenever failure reports or other information indicate additional equipments
should be tested. (This will be determined by the procuring activity. )
4.4.3.2 Scope of Tests - Special tests shall consist of such tests as are approved by the
procuring activity. Tests procedures previously approved for the preproduction and sampling 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 As a minimum,
the following tests shall be made, except that for those equipments selected as a result of design
changes and failure reports, only those tests required to check the characteristics in question need
be conducted.
(1) Temperature - Altitude Tests
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