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Environmental tests (first article inspection only). |
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|  MIL-D-70484(AR)
4.6.5 Environmental tests (first article inspection only).
4.6.5.1 Temperature - altitude. The Operations Unit shall be
subjected to the test of Method 504.1 of MIL-STD-810 for category
3 equipment with the following exceptions;
Use 20,000 feet where 15,000 feet is specified.
a.
Do not exceed the temperature limits of 3.5.1.2.
b.
4.6.5.1.1 High temperature. The high temperature test
requirements are satisfied by 4.6.5.1. No separate test is
required.
4.6.5.1.2 Low temperature. The Operations Unit shall be
subjected to the test of Method 502.1, Procedure I of MIL-STD-8l0,
except maximum low temperature to be -65F.
4.6.5.2 Humidity. The Operations Unit shall be subjected to
the test of Method 509.1 of MIL-STD-810.
4.6.5.3 Sand and dust. The Operations Unit shall be
subjected to the test Method 510.1 of MIL-STD-810, Procedure I,
with the exception that for equipment mounted enternal to the
aircraft, the air velocity in Steps 1, 2 and 3 shall be 200 100
fpm. Step 3 may proceed immediately after stabilization in Step
2, if desired.
4.6.5.4 Fungus. The Operations Unit shall be subjected to
the test of Method 508.1 of MIL-STD-810, Procedure I. Documentary
evidance acceptable to the procuring activity that the material
will not be nutrients for fungi may be used in place of the tests.
4.6.5.5 Explosive atmosphere. The Operations Unit shall be
subjected to the test of Method 511.1 of MIL-STD-810, Procedure I,
except test to be limited to maximum altitude of 20,000 feet.
4.6.5.6 Service environment. The Operations Unit shall be
tested in compliance with the requirement of section 3 of this
specification in accordance with 3.5.1.7.
4.6.5.6.1 Vibration. The Operations Unit shall be subjected
to Method 514.2-3 of MIL-STD-810, Procedure I, Category C.
4.6.5.6.2 Shock. The Operations Unit shall be subjected to
the Test Methods of MIL-STD-810, Procedure I.
4.6.5.6.2.1 Bench handling. The Operations Unit shall be
subjected to the Test Method 516.2 of MIL-STD-810, Procedure I.
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