MIL-C-60983C (PA)
3.2 Cartridge. -The cartridge shall comply with all
requirements specified on Drawing (Dwg.) 8835950, all associated
drawings, and with all requirements specified in applicable
specifications.
3.3 Loading of high explosive.-
3.3.1 The ball and skirt assembly just before loading
shall be inspected for presence of primer paint and any foreign
matter. Ball and skirt assemblies with the interior wall in-
completely coated or not dry shall not be loaded.
3.3.2 Solid explosive shall not be present before loading
or added during pouring or cooling.
3.3.3 The fuze Seating surface shall be free of caked
explosive. A chemical cleaner, if used, shall not contaminate
the explosive.
3.3.4 Clean scrap produced in regular operations may be
remelted and used provided it complies with the grade of explosive
specified except for form and viscosity. Clean scrap is defined
as scrap formed in kettles, pails, riser, and loading machines
used in pouring, casting and drilling operations.
3.4 Air pressure. -The cartridge assembly shall withstand
an air pressure of three (3) pounds-per-square-inch (psi) for
five (5) seconds minimum, without a drop in pressure.
3.5 Primer Functioning. -The primer shall function without
evidence of squibbing or hangfire. Para. 6.6 of MIL-P-20444B,
Amendment 3, contains definitions of functioning failures.
3.6 X-ray examination of ballistic samples. -Prior to
forwarding the cartridges to the proving ground for ballistic
testing, as specified in 4.4.3.10 and 4.4.3.11, they shall be
subjected to x-ray examination.
3.7 X-ray examination of fuze assemblies prior to assembling
to ball and skirt assembly. -The fuze assembly shall be x-rayed
for improperly assembled, missing parts, armed or partially armed
(as evidenced by the detonator moving any degree from the safe
position).
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