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|  MIL-C-46553B
4.4.4.1 (Cont)
c. Electrical continuity.
d.
Missing or obstructed case vent.
e.
Missing or insufficient primer composition or propellant.
f.
Partially burned or contaminated primer composition or propellant.
The "Acc" number shall be 0 and the "Rej" 3 for misfire(s) associated with
a,b,c, or d. The second sample for evaluation of misfire(s) associated
with condition a, 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
condition e or f is observed. Misfire(s) occurring in the waterproofness
test shall be evaluated as specified in AMCR 715-505, Volume 8.
2/ Dwg. C7553663 (a detail of IEL 7259425) shall apply for classifying splits
and ruptures in fired cartridge cases. If a longitudinal spilt or circum-
ferential 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 rupture results in separation of the cartridge case into two
or more portions, the defect shall be classed as a complete circumferential
rupture.
3/
Metal sheared or missing from the fired cartridge case exterior, such
as
a rim or neck shear, shall be classed as a defect. The lot shall not
be
penalized for metal shaved from the interior surface of the case neck
in
the crimped area.
4/ For classification as a defect, there must be evidence either by re-
covery 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 a band fragment having no evidence of a band seat knurling
imprint, and having length of 0.5 inch or less.
5/ Separation or breakup of projectile part(s), except rotating band
separation, as witnessed by recovery of the part(s), of fragment(s), or
hole(s) in the fragmentation screen(s), shall be classed as a 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.
11
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