MIL-DTL-22442G
4.6.4 Vibration. The cable assembly shall be tested in accordance with MIL-STD-810,
Method 514, Category 5, Procedure I.
4.6.4.1 Vibration fixtures. Vibration fixtures, if used, shall be designed to transmit the
required vibration to the test specimen with minimum attenuation, amplification or distortion.
Provisions shall be made for attachment of monitor transducers as necessary to maintain
vibration tolerances within the limits specified in MIL-STD-810, Method 514, Category 5,
Procedure I. Transducers shall be located as close to the test item mounting locations as
possible. Any structural resonance in the test fixture, if within 20 percent of a resonant
frequency, shall be adjusted such that vibration amplitudes at all mounting points are within ±25
percent of the arithmetic average of the amplitudes at all these points. This average shall be used
to establish the test level.
4.6.4.2 Functional vibration. Functional vibration testing of the cable assembly in
accordance with figure 1 shall be performed for each of the three orthogonal axes both prior to
and following the endurance vibration test. The cable assembly shall be continuity tested
(see 4.5.3) during functional vibration testing and shall meet all requirements of the specification
during and after both portions of the functional vibration test.
4.6.4.3 Endurance vibration. Endurance vibration testing shall consist of random vibration
for each of the three orthogonal axes in accordance with figure 2. The cable assembly shall meet
all performance requirements of this specification following the test.
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