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|  MIL-F- 14252 (AR )
4.2 Tests .- All tests shall be conducted in accordance with
test procedures specified in the contract and applicable speci-
fications; or If not specified, the inspector shall specify the
manner in which it will be determined whether fire-control
materiel meet the specified requirements.
4.2.1 Test sequence.- Unless otherwise specified, the tests
shall be performed in any sequence.
4.2.2 Performance record. - Prior to conducting any of the tests
specified herein, th e equipment shall be operated under Standard
Ambient Test conditions and a record made of all data necessary
to determine compliance with the appliceble specifications.
These data shall provide the criteria for checking satisfactory
performance of the equipment undergoing environmental tests.
4.2.3 Inspection of" equipment.- Deterioration or corrosicn of
any internal or external components (after environmental tests)
which could in any manner prevent the equipment from meeting
operational requirements during service life shall provide reason
to consider the equipment as having failed the test to which it
was subjected.
4.2.4 standard ambient test conditions. - Unless otherwise SpeCi-
fied herein or in the individual specif ication, standard ambient
0
0
0
tests shall be performed at a temperature of 15 C (60 F) to 32 C
0
(90 F, at a barometric pressure of 28 to 32 inches of mercury,
and a relative humidity not greater than 80 percent.
4.2.5 Test facilities.
I
4.2.5.1 General.- The apparatus used in conducting tests shall
Of meeting the conditions required.
be capable
4.2.5.2
Volume.- The test facilities,
unless. otherwise speci-
fied shall besuch that the equipment under test shall not ex-
internal volume or the test chamber and
ceed 50
of
Perter.t
the
no portion shall be closer than 6 inches from any surface of
the chamber (see 4.2.7).
4.2.6 Measurments.
- All measurements shall be made with in-
If tests are Con -
struments Wriose accuracy has been certified.
n
ducted at the contractor's plant the accuracy of the instruments
and test equipment shall be certified periodically by the
government.
4.2.6.1
Tolerances. - The maximum allowable tolerances on test
conditicn measurements shall be as follows unless otherwise speci-
fied:
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