Study of M831A1 Obturator Band Assembly, Problems, and Solution.
Final rept. for 1995,
ARMY ARMAMENT RESEARCH DEVELOPMENT AND ENGINEERING CENTER PICATINNY ARSENAL N J CLOSE COMBAT ARMAMENTS CENTER
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This report details the testing that was done to evaluate various methods to assemble obturators onto the M831A1. The obturators were assembled to the M831A1 using four different methods and subjected to various temperature humidity conditions. The swelling of the obturator was measured and recorded for comparison. In addition, passfail was recorded for a ring gage test.
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