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|  MIL-N-81857(AS)
4 . 4 . 4 . 2 S c o p e o f T e s t s - Special tests shall consist of
such tests as approved by the procuring activity. Test procedures
previously approved for the preproduction tests shall be used where
a p p l i c a b l e . 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
e i t h e r the sampling, reliability assurance or special tests, the
f o l l o w i n g action shall be taken:
( 1 ) Determine the cause of failure.
(2) Determine if the failure is an isolated
case or design defect.
(3) Submit to the procuring activity for approval,
t h e proposed corrective actioh intended to
r e d u c e the possibility of the same failure(s)
o c c u r r i n g in future tests.
( 4 ) Where practical, include a test in the indi-
vidual test to check all equipment for this
requirement until reasonable assurance is
obtained that the defect has been satisfactorily
corrected.
4.5
Life Tests - The contractor shall furnish all samples
and shall be responsible for accomplishing the life tests. The test
shall be of 300 hours duration and shall be conductcd on equipments
that have passed the individual test. The life test shall be performed
u n d e r the conditions specified in 4.5.1. The life test samples shall
be selected by the Governmcnt inspector in accordance with the fol-
lowing: (Equipments which have successfully passed tile initial Pro-
duction Test, Sampling: Tests, R e l i a b i l i t y Tests, or Special Tests
m a y be selected for Life Tests.) (Test time accumulated during the
reliability Test may be counted toward the Life Test provided the
entire 300 hours is accumulated on a single equipment and equipment
selected is in accordance with the table below.)
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