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|  MIL-C-46552C
4.5.7 Action time.-The action of the test shall be as specified in AMCR
715-505, volume 8. Statistics necessary for testing of results against
the acceptance criterion shall be computed. (see 6.7.1) The test car-
tridges shall be conditioned at -65F for a period of not less than four
hours after the conditioning chamber has stabilized at -65F 5F.
Timing for the conditioning period shall start after the chamber has
stabilized following the sample being placed in the conditioning chamber.
4.5.8 Function and casualty. -The method of test shall be as specified
in AMCR 715-505, Volume 8. The test sample shall be fired in bursts of
be divided and fired in equal numbers in the M39
50 cartridges and
and M61 weapons. The weapon barrel(s) shall be at ambient temperature at
the beginning of test and cooled to ambient after each 100 rounds. The
cyclic rate of each burst shall not be less than 1400 shots per minute
(spm) in the M39 gun and 5500 spm in the M61 gun. The cyclic rate for
each burst shall be recorded.
4.5.9 Misfires.-Misfiring cartridges shall be retested in the test equip-
ment specified in the IEL for the accuracy test. Results of examinations
required by Table II shall be recorded.
4.5.10 Defective weapon.-If a test weapon fails to comply with the minimum
cyclic rate during a normal burst operation or is found to be defective
weapon
during or at the end of burst the test shall be suspended.
shall be corrected or replaced and the test repeated in whole or in part, as
indicated. Any firing defect that occurred shall be valid for lot penalty
in accordance with Table II unless the defect is found to have been caused
by the defective weapon.
PREPARATION FOR DELIVERY
5.
5.1 Packing, Level A.-The type of ammunition pack shall be in accordance
with instructions from the procuring activity. Linked ammunition shall be
packed in accordance with Dwg. F7258968, F7258969, or F7258970. Bulk
ammunition shall be packed in accordance with Dwg. F7258941 or F7258942.
5.2 Markinq.-Marking on the packed shipping and storage container shall
be in accordance with Dwg. D7258928 or D7259237, as applicable.
6. NOTES
are intended for use in the various
6.1 Intended use.-These
automatic weapon systems which are chambered to utilize electric primed
cartridges with the M103 type case configuration.
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