MIL-DTL-45301E
TABLE II. Classes and sizes 2/ - Continued.
Minimum
length in.
Die size 1/ Class Group
[meters (m)]
Applicable tire size
42-42-48
1
A
81 (2.06)
25-1/2 x 4-1/2
60-64-48
1
A
81 (2.06)
25 x 5.59
45-45-42
1
A
84 (2.13)
26 x 4-1/2
56-64-44
1
A
84 (2.13)
26 x 5-3/4
64-64-46
1
A
84 (2.13)
26 x 6
36-36-28
1
A
91 ( 2.31)
28 x 2-3/4
42-42-48
1
A
93 ( 2.36)
28 x 4-1/2
42-42-36
1
A
110 ( 2.79)
32-1/4 x 3-1/2
1/ The die size signifies the crown width, in in. and eighths, base width, in in. and
eighths, and thickness in thirty-seconds of an in. For example: 45-45-42 indicates
4-5/8 in. crown , 4-5/8 in. base width, and 42/32 in. (1-10/32 in.) thickness.
Tolerance on width shall be -0, +1/8 in.; and on thickness shall be -0, +2/32 in.
2/ See 6.3 for corresponding Army drawing numbers for wheels.
45 + 3
WIDTH
LENGTH
THICKNESS
45 + 3
90 +10
TIE GUM
THICKNESS
.031 IN.
NOTE: FOR DIMENSIONS, SEE TABLE II
(WHEN SPECIFIED)
FIGURE 1. Tread rubber.
3.4.2 Class 2. Unless otherwise specified (see 6.2), die size and length shall be as
specified in table II (see 4.8).
6
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