MIL-PRF-49150D (CR)
within 15 minutes in the vertical axis only. Vibration shall be
performed from 5.0 to 5.5 Hz. at 1 inch displacement, 5.5 to 30 Hz. at
1.5 g's peak, 30 to 50 Hz. at 0.33 inch displacement and 50 to 500 Hz.
at 4.2 g's peak.
3.6.5
Shock.
3.6.5.1 Basic shock. The entrance assembly shall not be damaged
nor suffer degradation of performance (see 3.10.1 and 3.10.4) after
being subjected to basic shock of 40g's (see 3.10.5) with a duration
of 18 milliseconds.
3.6.5.2 Weapon shock. The entrance assembly shall not be
damaged nor suffer degradation of performance (see 3.10.1 and 3.10.4)
after being subjected to simulated weapon firing shock of 100g's (see
3.12.5) with a duration of 1.5 milliseconds one half sine pulse.
3.7 Treatment and painting. Treatment and painting shall be
anti-reflective, shall be rust resistant and as specified on
applicable drawings unless otherwise specified in the contract.
3.8 Marking. Marking shall be in accordance with applicable
drawings unless otherwise specified in the contract.
3.9 Workmanship. Standards of workmanship shall be such that
the entrance assembly will meet all requirements of this specification
and any referenced specifications or drawings.
3.10 Technical interpretations. The following technical
interpretations are, when referenced in sections 3 or 4, mandatory for
this specification.
3.10.1 Damage. Damage is defined as any breakage, loosening,
shift, dents, failure of any finish, hardware, connection, or
component, or condensation, fogging or moisture on any internal
surface.
3.10.2 Ambient temperature.
Ambient temperature is defined as
+23°C, ± 10°C.
3.10.3 Environmental temperature. Environmental chamber
temperatures shall be controlled to within ± 5°C of the specified
temperature unless otherwise specified.
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