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TM 55-3810-306-15
Table 5-1. Bill of Materials for Blocking and Tiedown of the RTCC Superstructure on an
M747 Semitrailer (fig 5-1)
Item
Description
Approximate Quantity
Lumber
Douglas Fir, or comparable; straight-grain, free from material defects; Fed Spec MM-L-751:
2- x 6-inch
82 linear feet
2- x 8-inch
200 linear feet
2- x 10-inch
19 linear feet
4- x 6-inch
77 linear feet
4- x 8-inch
73 linear feet
6- x 8-inch
132 linear feet
Common, steel; flathead; bright or cement-coated; table X1-b; Fed Spec FF-N-105:
20d
372
30d
100
Cushioning material
Waterproof paper, or suitable material
as required
Thimbles
Standard open type: 5/8-inch
6
Clamps
Wire rope, U-bolt clamps, saddled single grip, forged steel, 132
Crosby heavy duty, or equal; Fed Spec FF-C-450: 5/8-inch
Wire rope
6 x 19, IWRC; improved plow steel; preformed, regular lay; table XI; Fed Spec RR-2-410:
5/8-inch diameter
377 feet
Bolts
3/4-inch diameter x 3-1/2-inch long
24
Rod
3/4-inch threaded rod x 14-inches long
16
Nuts
3/4-inch standard steel, hex head
56
Washers
3/4-inch flat, standard steel
80
Table 5-2. Bill of Materials for Blocking and Tiedown of the RTCC Carrier on an M747 Semitrailer (fig 5-2)
Item
Description
Approximate Quantity
Lumber
Douglas Fir, or comparable, straight-grain, free of material defects; Fed Spec MM-L-751:
2- x 4-inch 11 linear feet
2- x 6-inch 43 linear feet
2- x 8-inch 80 linear feet
4- x 4-inch 19 linear feet
4- x 6-inch 9 linear feet
4- x 8-inch 38 linear feet
6- x 8-inch 62 linear feet
8- x 8-inch 9 linear feet
Common, steel; flathead; bright or cement-coated; table X1-b; Fed Spec FF-N-105:
20d
111
30d
100
Cushioning material
Waterproof paper, or suitable material
as required
Shackles
Anchor shackles, screw pin, type IV, class 1; Fed Spec
2
RR-C-271: 7/8-inch (1-inch diameter pin); NSN
Thimbles
Standard open type: 5/8-inch
18
Clamps
Wire rope, U-bolt clamps, saddled single grip, forged steel, 108
Crosby heavy duty, or equal; Fed Spec FF-C-450: 5/8-inch
Wire rope
6 x 19, IWRC; improved plow steel; preformed, regular lay; table XI, Fed Spec RR-W-410:
5/8-inch diameter
264 feet
Bolts
3/4-inch hex head x 3-1/2 inches long
32
Rods
3/4-inch .h steel rod x 17-11/16 inches
16
Nuts
3/4-inch standard steel, hex head
64
Washers
3/4-inch flat, standard steel
96
5-2
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