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|  MIL-C-70784 (AR)
Testing.
4.3.4
The tests listed in Quality Conformance
Inspection shall be performed on each cartridge lot in accordance
with the test methods prescribed in 4.4. Unless otherwise
indicated, tests shall be conducted with samples at 21
3C.Sample size and acceptance criteria for each test shall be
as specified. Only cartridges having met the visual and
dimensional requirements and having been selected in such a manner
that the sample is representative of the entire lot shall be used
in the tests. The selected cartridges shall be thoroughly mixed
The
before being divided into samples for the various tests.
combining of tests is permitted (see 6.4).
4.3.4.1 Firing defects and casualties. Firing defects and
associated criteria shall be as specified in Table I. For the
defect definitions, see AS12013566.
4.3.4.2 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 occuring
in any firing test, indicates that the product may be unsuitable
for the purpose intended.
4.3.5 Packaging,packing and marking inspection. MIL-STD-644
shall be used as a guide for inspection of packaging, packing and
marking as applicable to Dwg. 12013674.
4.3.6. Inspection equipment. Inspection equipment required to
perform examinations and tests prescribed herein shall conform to
the provisions of MIL-A-48078.
4.4 Methods of inspection.
4.4.1 Projectile extraction.
The method shall be as
prescribed in AS12013566.
4.4.2 Propellant contamination.
The propellant from each of
the cartridges will be examined visually for the contamination, as
prescribed in AS12013566.
4.4.3
Projectile torque.
Each cartridge of the test sample
shall be marked axially across the rotating band onto the case
Torque, to the specified requirement, shall be applied
neck.
slowly to the projectile. Movement of the projectile with respect
to the cartridge case detectable by misalignment in the scratch
mark, shall be recorded.
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