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|  MIL-T-63533(AR)
3.4.5.1.6 Fungus. Operating, nonoperating, and storage after
being subjected to fungus specified below:
SERIAL NUMBER
FUNGUS GROUP
9642
Aspergillus
niger
9643
Aspergillus
flavus
11730
Aspergillus
versieolor
11797
Penecillium
funiculosom
6205
Chactomium
globosum
3.4.5.1.7 Explosive atmosphere. Operation in explosive vapor
within or surrounding the equipment.
3.4.5.1.8 Rain. The external-mounted components, including
the gun control unit, shall operate without degradation in
specified performance and shall sustain no physical damage during
periods of heavy precipitation.
3.4.5.2 Service environment. The UTS electronic control
units shall withstand the service environment as specified in
MIL-E-5400 for Class IA equipment.
3.4.5.3 Induced environment.
3.4.5.3.1 - Vibration.
3.4.5.3.1.1 Electronic control units. The electronic control
units shall not sustain damage or fail to provide specified
performance when subjected to the vibration environment defined by
MIL-E-5400, Figure 5 (sheet 1), Curve III.
3.4.5.3.1.2 Gun turret. The gun turret, with all
turret-mounted electrical/electronic components and with any of
the weapons installed, shall not sustain damage or subsequently
fail to provide specified performance when subjected to the
vibration acceleration levels specified in 4.5.2.1.
3.4.5.3.2 shock;
3.4.5.3.2.1 Gun turret and electronic control units. The gun
turret (with all turret-mounted electrical/electronic components
and the-weapon installed), and the electronic control units shall
not sustain damage or subsequently fail to provide specified
performance when subjected to 18 impact shocks with an amplitude
of 15g, consisting of 3 shocks in opposite directions along each
of 3 mutually-perpendicular axes, each shock impulse having a time
duration of 11 + 1 milliseconds.
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