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Page Title:
Determination of defect or failure |
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|  MIL-V-82443(OS)
Determination of defect or failure. Failure of a valve to
4.4.6
successfully pass any of the tests in 4.4 through 4.4.4.17 or failure of a
sample squib to pass any of the tests in 4.5.7 through 4.5.7.5 shall be
cause for rejection of the preproduction sample.
4.5
Acceptance inspection. Valves produced under the contract
or purchase order shall be subjected to the following tests and examina-
tions. A quantity of additional sample squibs shall be provided which
is equal to 10 percent of the number of squibs to be assembled into the
valves in the lot being submitted for acceptance testing.
4.5.1
Tests and examinations.
4.5.1.1
Valve.
a.
Leakage at proof pressure
b.
Bridge wire resistance
c.
Insulation resistance
d.
Configuration
e.
Operational test
4.5.1.2
Sample squibs.
Bridge wire resistance, prior to firing
a.
Insulation resistance, prior to firing
b.
c.
Auto-ignition, low temperature
d.
No-fire current
e.
Firing current
4.5.2
Each valve in the lot shall be subjected to the tests detailed
in 4.5.6.1 through 4.5.6.3.
4.5.3
A sample of valves shall be selected using the plans and
procedures set forth in MIL-STD-105, Inspection Level II and subjected
to the additional tests and examinations in 4.5.6.4 and 4.5.6.5. An
AQL of 1.0 shall be used.
4.5.4
Test conditions. Unless otherwise specified, the valve shall
be subjected to the acceptance tests under the following conditions:
a.
Temperature:
Room ambient +32 F to +98 F
b.
Altitude:
Normal ground atmospheric pressure
c.
Vibration:
None
d.
Humidity:
Room ambient
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