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|  MIL-C-70726A (AR)
4.6.2.5.3 Toxic fumes. The cartridges shall be fired in 10
round bursts in the weapon with BFA. The muzzle of the weapon
shall protrude from a 2130mm x 2130mm x 2130mm chamber. The air
within the chamber shall be continuously monitored for carbon
monoxide, ammonia, nitrogen dioxide, and sulfur dioxide. Three
trials of 100 rounds each shall be performed. The test shall be
repeated with Caliber .50 M33 Ball cartridges using the M2 BMG
with the BFA removed.
4.6.3 Safety.
4.6.3.1 Safety hazard classification. The test shall be
conducted by the contractor at a facility of his choosing at his
expense. The Government shall reserve the right to observe all
testing. The tests shall be conducted IAW TB 700-2 with the
only one outer packing unit shall be
following differences:
placed on the stand and the stand shall be made of metal instead
of wood on the external stack test (paragraph 5-3g).
4.6.3.2 Explosive sensitivity. Upon design submission the
U.S. Army Safety Office shall determine which materials utilized
in the cartridge require sensitivity evaluation testing by the
contractor. The sensitivity tests required shall be as follows:
Test
Procedure/
Test
Paragraph
Document
Test
Friction test -
a.
5.3
JSSPM
apparatus and comparison values
4.2
JSSPM/
Impact test -
b.
5.2i
TB 700-2
apparatus and comparison values
c.
Electrostatic discharge test -
4.2
JSSPM
apparatus and comparison values
5.9
JSSPM
d.
Auto ignition temperature
506.1
MIL-STD-650
Explosive temperature (5 seconds)
e.
5.2f
TB 700-2
Detonation test
f.
5.2g
Ignition and unconfined burning test TB 700-2
g.
5.2h
TB 700-2
Thermal stability test
h.
5.2j
TB 700-2
i.
Card gap test
32
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