MIL-Q-47057 Revision A:1990
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
QUARTZ, FUSED, OPTICAL GRADE
17-10-1995
Describes two types of clear optical grade fused quartz used in optical elements where low coefficient of thermal expansion required.
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