MIL-S-21156 Revision A:1975
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
STEEL BARS, HEAT TREATED (FOR 2OMM AND 3OMM AIRCRAFT GUN BARRELS)
01-02-1995
English
Specifies characteristics of heat treated steel bars for the manufacture of aircraft gun barrels.
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