TM 55-2200-001-12
Change 3
Section No. 1--General Rules (Rev.-9-1984)
(h)
Strapping.
(1)
Non-metallic strapping may be used for load securement only when specified in a figure
(1) Substitution of Securement Items, Unless Otherwise Specified in a Figure.
Note: Approved load securement items, listed under General Rule 15 must be used or may be substituted in
accordance with the following provisions.
(1)
High tension bands and high tension wires may be substituted for each other, if of equal or greater
breaking strength.
(2)
High tension bands may be substituted by an equal number of high tension bands of lesser dimensions if of
equal or greater breaking strength.
(3)
High tension bands used to secure load to car may be substituted by chains and/or cables if of equal or
greater breaking strength. When used, chains and/or cables must be properly tensioned.
(4)
High tension wires may be substituted by an equal number of high tension wires of lesser diameter if of
equal or greater breaking strength.
(5)
High tension bands and high tension wires, where both are specified in an item of a figure, may be
substituted in kind only, in accordance with paragraphs (i-2) and (1-3) of this rule.
(6)
Rods, bolts or fiat bars with threaded ends must not be' substituted by high tension bands, high tension
wires or common annealed wires.
(7)
Common annealed wire may be substituted by wires of other gage if the total breaking strength is equal or
greater.
(8)
Common annealed wire may be substituted by wire or cable of equal or greater breaking strength.
(9)
Missing or broken chains may be substituted by wire rope or cable of equal or greater breaking strength.
(10)
Mechanical brakeman may be substituted by Load Cushioners.
(j)
High Tension Bands, minimum breaking strength, sealing and marking.
HIGH TENSION BANDS
Recommended
Width &
Width &
Minimum
Minimum
Minimum No of
Recommended Minimum No. of
Thickness
Thickness
Beaking
Joint
Pairs of Notches
Pairs of Crimps on Joint
Inches
Millimeters
Strength-
Strength-
On Joint
(Except - See Note 3)
Pounds
Pounds
(Except-See Note 3)
Package Bands
Surface finish
Surface Finish
Uncoated-
Coated
All Types
Dry
Not Waxed
Waxed
1/2 x .020
1280
960
2
NIL
NIL
NIL
5/8 x .020
1600
1200
2
NIL
NIL
NIL
3/4 x .020
1920
1390
2
NIL
NIL
NIL
3/4 x .023
2280
1710
2
NIL
NIL
NIL
3/4 x .025
19 x .56
2280
1710
2
NIL
NIL
NIL
3/4 x .028
2280
1710
2
NIL
NIL
NIL
3/4 x .031
19 x .75
2850
2140
2
2
3
4
3/4 x .035
2850
2140
2
2
3
4
1 1/4 x .020
3200
2400
2
NIL
NIL
NIL
3/4 x .044
4050
3040
2
2
4
4
3/4 x ..050
4050
3040
2
2
4
4
Securement Bands
1 1/4 x .031
32 x .75
4750
3565
2
3
3
4
1 1/4 x .035
4750
3565
2
3
3
4
1 1/4 x .044
6750
5065
4
4
4
4
1 1/4x.050
6750
5065
4
4
4
4
1 1/4 x .065
8900
6675
NIL
4
4
6
Std.
Grit
Std.
Grit
Std.
Grit
2 x .044
10600
7950
4
4
4
4
4
6
4
2 x .050
10600
7950
4
4
4
4
4
6
4
2 x .065
13800
10350
4
4
4
4
4
6
4
(1)
A sufficient number of seals must be applied to accommodate the recommended number of pairs of
notches or crimps.
D-29
