MIL-C-60983C (PA)
6.9 High order functioning. -Evidence of high-order functioning
shall be proper disintegration of the ball as determined by the proof
director.
6.10 Combining of proving ground tests. -When the contractor
for the cartridge is also the contractor for one or more of the
components thereof the proving ground tests of the contractor may
be combined with the proving ground tests of the cartridge, to save
expense, upon agreement between the procuring activity and
the contractor. In cases where the cartridge specification does not
cover all of the proving ground tests specified for the component,
the addition tests specified in the component specification shall
be conducted.
6.11 If any cartridge case, prior to insertion of the base
plug and primer, is suspected of containing an underweight or over-
weight propellant charge, based on visual inspection, It will be
removed from the lot and weighed on suitable scales. Any cartridge
case found with less than 75% or more than 125% of the assessed
propellant load will be classified as a Critical defect and removed
from the lot.
Any cartridge case found to have a propellant weight out of
drawing tolerance but within ± 25 of the assessed propellant load
will be classified as a Major defect and removed from the lot.
6.12 Table shall be used at the loading plants for powder
assessment.
6.13 Proving ground test summary:
Requirements
Sample
Size
Test
Functioning
First 3 lots
See 3.9 and
- 288
4.4.3.10.1
144
REG PROD
See 3.9 and
4.4.3.11.1
Preparing Activity:
Custodian:
Army-PA
Army-PA
Project Number: 1310-A071
26
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