MIL-C-46552C
a.
Excessive primer seating depth.
b.
Metal slivers across primer insulator.
c.
Electrical continuity.
d.
or obstructed case vent.
e.
Missing o-c insufficient primer composition or propellant.
f.
Partially burned or contaminated primer composition or propellant.
The lot shall not be
if condition a is observed.
this
condition shall be reported for information. The "Acc" number shall be
Zero (0) and the "Rej" number 3, for misfires associated with conditions
b, c, oral. The second sample for evaluation of misfires associated with
conditions b, c, or d shall consist of the function and casualty second
sample (see Table I, Note 11/). The lot shall be rejected if either condi-
tion e or f is observed. Misfire(s) occurring in the waterproofness test
be handled in accordance with AMCR 715-505, Volume 8.
3/ See Dwg. 07258801, a detail of LI 7259626, for classifying splits and
ruptures in fired cartridge cases. If a
split or circumferential
rupture (partial) extends into two or more defined areas, only the most severe
defect criterion of Table II for the areas involved, shall apply. If a rup-
ture results in separation of the cartridge case into two or more portions,
the defect shall be classed as a complete circumferential rupture.
4/
Metal sheared or missing from the fired cartridge case exterior, such
as
rim or neck shears, shall be classed as a defect. The lot shall not
be
penalized for shavings of metal from the interior wall of the case neck,
in
the crimped area.
5/ For classification as a defect, there must be evidence either by recovery
of the band, or portion thereof, or by hole(s) in the fragmentation screen(s).
The lot shall not be penalized for normal band fringing, or the separation
of band fragments having no evidence of band seat serration imprint and
.t
having length of 0.5 inch or less.
.
6/ Separation or breakup of projectile part(s), except
band
separation, as evidenced by recovery of the part(s) or fragment(s), or
hole(s) in the fragmentation screen(s), shall be classed l s l defect.
4.4.4.2 Unlisted firing defects.-The lot shall be suspended and referred
to the contracting officer for disposition, if a malfunction or casualty
not covered by this specification occurring in any firing test, indicates
that the product is unsuited for the purpose Intended.
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