DOD-C-6398(AR)
2.2 Order of precedence.
In the event of a conflict between
the text of this specification and the references cited herein,
the text of this specification shall take precedence.
3.
REQUIREMENTS
3.1 General.
3.1.1 Material.
Materials shall be
in
accordance
with
the
applicable drawings
and specifications.
3.1.2 Cartridge.
The cartridge shall comply with all
requirements specified on Drawing (Dwg. 11825947),
all
associated
drawing, and with all requirements specified in applicable
specifications.
All parts and assemblies shall be
3.2 Manufacturing
process.
manufactured by a process approved by the Contracting Officer and
no deviation from that process shall be made without prior
approval (ref 6.3).
This specification contains
First
article
inspection.
3.3
Requirements
technical provisions for first article inspection.
for submission of first article samples by the contractor shall be
as specified in the contract-.
The projectile, when subjected to
Projectile
extraction.
3.4
a bullet pull using a chamber simulating ring at a rate of 25mm
per minute ±10 percent, shall have a retention force such that the
mean value less-three times the standard deviation shall be
greater than 8 kiloNewtons.
The electrical
3.5 Electrical resistance, primed case.
resistance of the primed case shall be as specified on Dwg.
11825901.
The propellant
charge used in each
3.6 Propellant
charge.
cartridge shall be
maintained to meet the
ballistic requirements-
3.7 Muzzle
velocity.
The
projectile
shall
have
a
mean
muzzle
50c.
velocity
of
795-815
meters
per
second
(m/s)
at
21
±
The
standard
deviation
shall
not
exceed
15
m/s
at
temperatures
of
- 5 40c,
210c,
710c.
and
following
environmental
exposure,
the
mean
muzzle
velocity
shall
not
increase
or
decrease
from
the
mean muzzle/velocity at 21 ±50c by more than 30 m/s.
3
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