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Page Title:
Packaging, Packing and marking inspection |
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|  MIL-C-63990C (AR)
If one or more defects are found in the first sample, a
second sample shall be fired in both weapons. The second
sample shall consist of double the quantity of cartridges
specified under function and casualty of Table III for each
weapon. Prior to the testing of the second sample, the
firing pin of the specific weapon(s) in which the defect
originally occurred shall be replaced with a new firing pin.
If an additional primer perforation is found in the second
sample, the lot shall be rejected.
For location of defects indicated by letters in
parentheses, see Drawing C7643674.
All stoppages attributable to the ammunition, with the
exception of misfire, complete rupture or failure to
extract, observed in all tests shall be included.
4.5.8 Packaging, Packing and marking inspection. During or
immediately prior to the packaging operation, 100% examination of
the cartridges shall be performed to ascertain that the lot does
not contain a blank cartridge or a cartridge with the bullet
missing. Examination shall be visual or by means of a Government
approved inspection system. All non- conforming cartridges shall
be removed from the lot. A sample of 244 shall be selected from
each lot and examined for the presence of a high pressure test,
dummy or blank cartridge, or a cartridge with the bullet missing.
If a high pressure test, dummy or blank cartridge, or a cartridge
with the bullet missing is found, the lot shall be rejected. Any
occurrence of a high pressure test, dummy or blank cartridge, or
a cartridge with the bullet missing after this inspection shall
cause the lot to be rejected. Inspection for packaging, packing
and marking shall be in accordance with MIL-STD-644 as applicable
to the drawing.
4.5.9 Inspection equipment. The inspection equipment
required to perform the inspections specified herein is
identified in the "Inspection Method Reference" column of the
Classification of Characteristics listings starting with 4.4.2.1.
Contractor inspection equipment designs shall be submitted for
Government approval as specified in the contract. Designs which
provide variable measurements instead of attributes data are
preferred in order to facilitate the use of statistical process
control. See MIL-A-48078 and 6.3 herein.
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