MIL-DTL-46077G
3.5 Dimensional tolerances.
3.5.1 Length, width, and thickness. Length and width tolerances shall be as agreed upon by
purchaser and vendor. The plus and minus tolerances on plate thickness shall be as specified in
Table 9.
Table 9. Plate Thickness Tolerances
Thickness Range
Tolerance
(inch)1
(inch)
TBD2
0.125 to 0.249
0.250 to 0.374
+ 0.045
0.375 to 0.749
+0.055
0.750 to 0.999
+0.060
1.000 to 1.999
+0.070
2.000 to 2.999
+0.085
3.000 to 4.000
+0.100
1 The entire range has a minus tolerance of 0.010 inch.
2 To be determined.
3.5.2 Straightness. Plates shall be of such straightness that the maximum edgewise curvature
(depth of arc) shall not exceed 1/8 inch for any 5 ft section along its length.
3.5.3 Flatness. Flatness tolerances across the plate width shall conform to Table 10.
Table 10. Flatness Tolerances for Plate
Plate Thickness
Maximum Permissible Variation in Flatness (inch)
(inch)
Plate Width (inch)
Up to 48 to
60 to
72 to
84 to
96 to
108 to
120 to
144
48,
60,
72,
84,
96,
108,
120,
144,
and
incl. excl.
excl.
excl.
excl.
excl.
excl.
excl.
over
0.125 to 0.249
TBD TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
0.250 to 0.374
11/16 3/4
15/16
1-1/8
1-3/8 1-7/16
1-9/16
1-7/8
--
0.375 to 0.499
1/2
9/16
11/16
3/4
15/16 1-1/8
1-1/4
1-7/16
1-3/4
0.500 to 0.749
1/2
9/16
5/8
5/8
13/16 1-1/8
1-1/8
1-1/8
1-3/8
0.750 to 0.999
1/2
9/16
5/8
5/8
3/4
13/16
15/16
1
1-1/8
1.000 to 1.499
1/2
9/16
9/16
9/16
11/16 11/16
11/16
3/4
1
1.500 to 4.000
3/16 5/16
3/8
7/16
1/2
9/16
5/8
3/4
7/8
18
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