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| MIL-A-12560H (MR)
w/INT. AMENDMENT 4
TABLE III. Thickness tolerances for class 1 and class 2 armor plates up to 2 inches thick
inclusive Continued.
1-11/16
2/
0.039
0.039
0.039
0.043
0.048
0.058
0.063
0.070
----
----
1-3/4
2/
0.039
0.039
0.039
0.043
0.048
0.058
0.068
0.078
----
----
1-13/16
2/
0.043
0.043
0.043
0.048
0.053
0.058
0.068
0.078
----
----
1-7/8
2/
0.043
0.043
0.043
0.048
0.053
0.063
0.068
0.078
----
----
1-15/16
2/
0.043
0.043
0.043
0.048
0.053
0.063
0.076
0.084
----
----
2
2/
0.043
0.043
0.043
0.048
0.053
0.063
0.076
0.084
----
----
1/ For intermediate thickness, the tolerance of the closer-specified gage shall apply. In case of mid-point, the tolerance for lower gage
or interpolated value shall apply.
2/ When plates under 60 inches are rolled double width, the equivalent wider plate tolerances shall apply.
TABLE IV. Thickness tolerances for class 1 and class 4 armor plates over 2 inches thick.
Thickness tolerances in inches over and under ordered thickness for single plate over 2 inches in thickness when ordered to thickness
in inches.
Specified thickness,
Tolerances over and under specified thickness for widths given, inches
inches
Under 60
60 to 84
84 to 120
120 to 132
132 and
From
To
excl.
excl.
excl.
excl.
over
2
4, excl.
1/
0.060
0.068
0.068
0.076
4
6, incl.
1/
0.076
0.076
0.083
0.091
6
8, incl.
1/
0.091
0.091
0.098
0.107
8
10, incl.
1/
0.107
0.107
0.122
0.138
10
12, incl.
1/
0.138
0.138
0.144
0.160
1/ When plates under 60 inches are rolled double width, the equivalent wider plate tolerances shall apply.
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