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|  MIL-E-5o739(Mu)
8 August 1973
3.3.2 Environmental
3.3.2.1 Low temperature. The assembly shall meet the require-
ments of 3.3.1 at ambient temperature after exposure to and thermal
stabilization at -800F and +l60F.
3.3.2.2 Operating temperatures. The assembly shall meet the
requirements of 3.3.1 v'bile exposed to and thermally stabilized at -40F
and +125F, subsequent to which the requirements of 3.3.1 shall be met at
ambient temperature.
3.3.2.3 Vibration. The assembly shall show no physical failure
and shall meet the reauirements or 3.3.1 after being exposed to the follow-
ing vibratory conditions:
a. Amplitude:
1/64 inch, constant
(1/32 inch double plitude)
Simple harmonic
b. Vibratory motion:
5 to 55 Hertz in a
c. Sweep time:
5-minute period
d. Vibration cycllng -
Three linear or logarithmic sweeps
applied to each of three mutually
perpendicular axes.
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