Study of M831A1 Obturator Band Assembly, Problems, and Solution

摘要

This report details the testing that was done to evaluate various methods toassemble 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, pass/fail was recorded for a ring gage test.