/+.&6.
15
b. All shock testing shall be conducted at +70EF.
c. The shock pulse wave form shall be terminal peak sawtooth as defined in figure 2, where P= 20 g
and D= 11 milliseconds. Three shocks shall be applied in each direction of three mutually perpendicular
axes of the cartridge or a total of 18 shocks. The three mutually perpendicular axes are shown in figure 1.
Each cartridge shall be visually inspected after each axis direction test for evidence of mechanical failure
or any defects which may affect proper installation of function. Result of inspection shall be noted.
d. Failure of any cartridge to comply with the requirements of 3.5.5 shall be cause for rejection of
the lot or first article sample, or both.
4.3.10 Functional test. The sample cartridges for the functional test shall be conditioned for not less
than 4 hours and no more than 24 hours at the specified temperatures. The cartridges shall be removed
from the conditioning chamber and test fired within 3 minutes. If any cartridge is not fired within 3
minutes after removal, it shall be reconditioned at the specified temperature for an additional 4 hours and
then tested. The cartridge shall be fired in the cartridge test firing setup similar to as depicted in figure 6.
The test fixture shall have a gas operated firing mechanism as shown. The firing mechanism shall consist
of a firing pin with an o-ring seal and retained by a shear pin. The application of gas pressure (625 psig
reference), shear pin actuation pressure (400 to 600 psig reference - see 6.4)), and firing mechanism
design shall be as such to deliver sufficient firing energy to the cartridge for proper actuation without
permeating the cartridge primer wall. The cartridges shall meet the requirements specified in 3.5.6.
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