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MIL-A-12560H (MR)
w/INT. AMENDMENT 4
TABLE VIII. Waviness tolerances for plates.
Flatness
When number of waves in 12 ft is:
tolerance
from
1
2
3
4
5
6
7
table VII
5/16
5/16
1/4
3/16
1/8
1/8
1/16
1/16
3/8
3/8
5/16
3/16
3/16
1/8
1/16
1/16
7/16
7/16
5/16
1/4
3/16
1/8
1/8
1/16
1/2
1/2
3/8
5/16
3/16
3/16
1/8
1/16
9/16
9/16
7/16
5/16
1/4
3/16
1/8
1/8
5/8
5/8
1/2
3/8
1/4
3/16
1/8
1/8
11/16
11/16
1/2
3/8
5/16
3/16
3/16
1/8
3/4
3/4
9/16
7/16
5/16
1/4
3/16
1/8
13/16
13/16
5/8
7/16
5/16
1/4
3/16
1/8
7/8
7/8
11/16
1/2
3/8
1/4
3/16
1/8
15/16
15/16
11/16
1/2
3/8
5/16
1/4
3/16
1
1
3/4
9/16
7/16
5/16
1/4
3/16
1-1/8
1-1/8
7/8
5/8
1/2
3/8
1/4
3/16
1-1/4
1-1/4
15/16
11/16
1/2
3/8
5/16
1/4
1-3/8
1-3/8
1-1/16
3/4
9/16
7/16
5/16
1/4
1-1/2
1-1/2
1-1/8
7/8
5/8
1/2
3/8
1/4
1-5/8
1-5/8
1-1/4
15/16
11/16
1/2
3/8
5/16
1-3/4
1-3/4
1-5/16
1
3/4
9/16
7/16
5/16
1-7/8
1-7/8
1-7/16
1-1/16
13/16
9/16
7/16
5/16
2
2
1-1/2
1-1/8
7/8
5/8
1/2
3/8
2-1/8
2-1/8
1-5/8
1-3/16
7/8
11/16
1/2
3/8
2-1/4
2-1/4
1-11/16
1-1/4
15/16
11/16
9/16
3/8
2-3/8
2-3/8
1-13/16
1-5/16
1
3/4
9/16
7/16
2-1/2
2-1/2
1-7/8
1-7/16
1-1/16
13/16
9/16
7/16
2-5/8
2-5/8
2
1-1/2
1-1/8
13/16
5/8
7/16
2-3/4
2-3/4
2-1/16
1-9/16
1-1/8
7/8
5/8
1/2
Note 1. Waviness denotes the deviation of the top or bottom surface from a horizontal line, when
the plate is resting on a flat surface, as measured in an increment of less than 12 ft of length. The
waviness tolerance is a function of the flatness tolerance as obtained from Table VII.
Note 2. When the flatness tolerance is 1/2 inch or less for plates 1/2-inch or less in thickness, the
waviness tolerance shall not apply.
3.2.10.4.1.2 Multiple linear indications. Multiple linear indications shall not exceed 1 1/2 times
the plate thickness if two or more lie in the same plane. The total length of indications in one
plane, in any four inch length, shall not exceed twice the plate thickness. No more than ten
indications, whether in one plane or multiple planes, are permitted in any four inch length.
13

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