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Page Title:
M433 S&A Assembly (S&A assembly loaded). Dwg. 9260750. |
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|  MIL-F-63281A (AR)
3.6.1.1 Pull-off test of switch cap. The switch cap shall be
capable of withstanding a pull-off force of 2 pounds minimum without
separating from the switch insulator.
The switch assembly
3.6.1.2 Pull-off test of switch assembly.
shall be capable of withstanding a pull-off force of 5 pounds
minimum without separating from the setback weight.
3.6.2 Continuity. Dwgs. 9260750 and 9260756. The M433 S&A
Assembly, Dwg. 9260750, shall satisfy the continuity requirements
specified in Table II of this specification.
The
3.6.3 Insulation resistance. Dwgs. 9260750 and 9260756.
M433 S&A Assembly, Dwg. 9260750, shall satisfy the insulation
requirements specified in Table II of this specification.
TABLE II
Position
Requirements
Terminals
of S&A Dev.
30 Megohms Min @ 500 Vdc
#1
&
#2
(Charge Switch)
Safe
100 Milliohms Max.
Safe
#1
&
#5
(Charge Switch)
30 Megohms Min @ 500 Vdc
#1
&
#5
(Charge Switch)
Armed
#4
&
#6
& Rotor
100 Milliohms Max.
Armed
3.6.4 Non-arming. The rotor assembly in the loaded S&A shall
not armed when subjected to an arming acceleration of 12.00g's minimum
for a period of 5 seconds. This test may be performed with a
simulated detonator (unloaded S&A).
3.7 M433 S&A Assembly (S&A assembly loaded). Dwg. 9260750.
Appropriate safety precautions shall be taken in testing for the
following requirements.
3.7.1 Continuity through detonator (armed). The resistance
measured between the detonator socket pin and speed chip or between
terminal #3 and #4 shall be 3.5 + 1.5 ohms. Caution: Any
continuity measurement which shall pass electrical current through
the detonator shall be limited to one milliampere maximum.
3.7.2 S&A arming.
3.7.2.1 Ambient temperature arming. The S&A device, after
conditioning at a temperature of 70 15F, for 2 hours
minimum, shall arm between 0.92 and 1.19 seconds when subjected to
an arming acceleration of 40.0 0.5g.
7
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