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|  MIL-R-50746{MU)
8 August 1973
3. 3.2 Environmental
3.3.2.1 storage temperature. The unit shall meet the require-
ments of 3.3.1.1 through 3.3.1.2 1.2, except 3, 3.1.15.2, at ambient
temperature after exposure to and thermal stabilization at - 80F
and +160F.
3.3.2.2 Operating temperatures. The unit shall meet the
requirements of 3. 3.1.1 through 3.3.1.15 except 3.3.1.2, 3.3.1.9,
3.3.1.10, 3.3.1.12, and 3.3.1.14 while exposed to and thermally
stabilized at -40F and +125F, subsequent to which the requirements of
3. 3.1.1 through 3.3.1.21, except 3.3.1.15,2, shall be met at ambient
temperature.
3. 3.2.3 Vibration
3. 3.2..3.1 Vibration "A" The unit shall show no physical
failure and shall meet the requirements of 3. 3.1.1 through 3.3.1.21,2,
except 3.3.1.15.2, after being exposed to the following vibratory
conditions:
a. Double amplitude and acceleration as shown in figure 8
b. Total test time of 150 minutes per axis, except that
there shall be no resonance dwells.
NOTE:
Vibration "A" shall only be performed when specified in the
procurement document (see 6.2e).
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