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|  MIL-T-48466B(AR)
testing, return the assembly to room temperature and subject the
assembly to the performance tests of 4.6.1.
Subject the assembly in its normal
4.6.3.4 Vibration.
operating condition t-o the vibration requirements in accordance
with MIL-STD-810, Method 514, General Procedures, and 3.2.3.3.
The
The vibration amplitude shall have a tolerance of
tolerance of the vibration frequency shall be
or
Hz for
Resonance search shall be conducted at
frequencies below 25 Hz.
After resonance
room temperature with the input power applied.
ambient
(if any) has been detected, place the assembly in a
environment and subject it to vibration sweeps for 80 minutes
minimum in each of three mutually perpendicular axes with
resonance dwell of 13 1/3 minutes each (4 max) at points (if any)
During vibration, the input power shall be applied.
detected.
-
At the
Verify that no discontinuity occurs (see 3.2.1.1.2).
conclusion of t-his test, return the assembly to room temperature
and subject the assembly to t-he performance tests of 4.6.1.
4.6.3.5 Shock. Subject the assembly in its normal operating
condition to the functional shock test for ground equipment
specified in MIL-STD-810, Method 516, for a total of three half
sine wave shock pulses in both directions along three mutually
4 g's
Peak amplitude shall be 40
perpendicular axes (18 shocks).
3 msec measured at the 10 percent
with a time duration of 18
During this test, apply input power and verify
amplitude points.
At the conclusion of this test,
that no discontinuity occurs.
subject the assembly to the performance tests of 4.6.1.
Subject the assembly in its
4.6.3.6 Loose cargo transport.
normal operating condition to the vibration test specified in
MIL-STD-810, Method 514, with the lid closed and fastened.
Testing shall be conducted for three hours, one half hour for each
At the conclusion of
of six faces (top, bottom, sides and ends).
this test, subject the assembly to the performance tests of 4.6.1.
4.6.3.7 Humidity.
Subject the assembly in its normal
operating condition to a 10 day aggravated humidity test as
During and after this test,
specified in MIL-STD-810, Method 507.
subject the assembly to t-he performance tests of 4.6.1.1.1 through
At the conclusion of this testing, return the assembly
4.6.1.1.5.
to room temperature and subject the assembly to the performance
tests of 4.6.1.
4.6.3.8 Fungus resistance. The assembly shall meet the
requirements specified herein after being subjected to testing per
MIL-STD-810, Method 508, including test organisms, stock culture
maintenance, spore suspension, and inoculation and incubation for
a total of 28 days. A certificate of conformance attesting that
these requirements are satisfied is permissible.
Verification of precedence
4.6.4
General
specifications.
13
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