TM-55-5420-202-20-1
LAUNCHER, M60-SERIES TANK CHASSIS, TRANSPORTING AND BRIDGE, 63-FOOT, SCISSORING, CLASS 60
TRANSPORTABILITY GUIDANCE
DECEMBER 1968
TM-55-5420-202-20-1 - Page 10 of 16
APPENDI X
RAIL TRANSPORTABILITY GUIDANCE
Blocking and Restraining Launcher on Railroad Flatcars with Wooden Floors
1. Bill of Material
Type
of
material
Quantify
a. Lumber.
Douglas-fir or comparable lumber with straight grain free from material defects, fed spec
MM-L-751
2- x 4-in.
.... .
.
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.
.
.
.
. 167 linear ft
2-
x
12-in
.
.
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.
.60 linear ft
6- x 6 in . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.78 linear ft
b. Nails.
Common or cement-coated, fed spec FF-N-105
20d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..250
30d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
c. Wire Rope.
5/8-in., 6x19, IWRC, improved plow steel, preformed, regular-lay, fed spec RR-W-410a.200ft
d.
Clamps. Wire-rope, saddled, single grip, steel, milstd 16842. . . . . . . . . . . . 20
e. Thimbles. Std.
3/8-in., open-type. .
.
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.
. 4
2.
Application of Materials
(fig. 5 and 6)
10
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