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Component and subsystem full-scale development |
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|  MIL-S-18471G(AS)
4.5 Component and subsystem full-scale development, DT-IIA. The component
and subsystem full scale development tests and inspections shall consist of
the component and subsystem tests of 4.5.1, the system design compliance tests
of 4.5.2, and the reviews and audits of 4.5.3. Data from the tests of 4.5.1
and 4.5.2 shall be used at the pre DT-IIB design review to evaluate compliance
with specification requirements.
4.5.1 Component and subsystem tests. Component and subsystem DT-IIA
tests shall be conducted as described below on equipment that is in accordance
with the testing baseline (see 4.3.2.4) to demonstrate compliance with the
requirements of this specification as modified by the initial qualification
status review (IQSR) (see 4.3.1.1).
4.5.1.1 Upholstery, covers, and cushions. Samples of all upholstery
paddings and textiles shall be self-extinguishing when tested by applying a
1550F flame to the lower edge of a test specimen for 12 seconds. Average
burn length shall be not greater than eight inches; average flame time
after removal of the test flame shall not exceed 15 seconds. Drippings
shall not continue to flame more than an average of five seconds.
4.5.1.2 Positioning and restraint subsystem. The positioning and restraint
subsystem will be tested by the procuring activity to demonstrate compliance
with the requirements of 3.2.2.3. Simulated dynamic flight load testing to
demonstrate table II and 3.2.2.3c requirements will be performed. Loads
will be applied parallel to the X, Y, and Z axes of figure 5 in positive
and negative directions. The number of load applications in each direction
will be representative of the-aircraft mission profile and shall be specified
in the test plan. Manual adjustments of the positioning and restraint
subsystems will not be permitted between load applications.
4.5.1.3 Signal transmission subsystem (STS). The STS shall complete all tests
required by MIL-D-81980 to demonstrate performance as required in accordance
with 3.2.2.13.
4.5.1.3.7 Cartridges. Cartridges shall complete all tests required by
MIL-D-21625 to demonstrate performance as required in accordance with 3.1.8.1.
4.5.1.3.2 Cartridge actuated devices (CADS). CADs shall complete all tests
required by MIL-D-23615 to demonstrate performance as required in accordance
with 3.1.8.2.
4.5.1.3.3 Electric initiators. Electric initiators shall complete all
tests required by MIL-I-23659 to demonstrate performance as required in
accordance with 3.1.8.3.
4.5.1.3.4 Gas operated devices (GODS). GODS shall complete all tests
required by MIL-D-23615 to demonstrate performance as required in accordance
with 3.1.8.4.
4.5.1.3.5 Transmission lines. Detonating and deflagration cord and linear
shaped charges shall complete all tests required by MIL-D-21625 to demonstrate
performance as required in accordance with 3.2.2.13.2.
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