MIL-DTL-17505F
3.2.3 Carcass. Textile reinforcement of the hose shall be of synthetic fiber cord or woven fabric.
TABLE I. Physical properties of wire.
Tensile strength, psi
Wire diameter, inch
Minimum
Maximum
0.035 to 0.105 (1 to 3 (mm)) inclusive
180,000
300,000
(1 241 056 kPa)
(2 068 427 kPa)
More than 0.105 to 0.207 (3 to 5 mm) inclusive
150,000
240,000
(1 034 214 kPa)
(1 654 742 kPa)
More than 0.207 to 0.362 (5 to 9 mm) inclusive
120,000
210,000
(827 371 kPa)
(1 447 899 kPa)
3.3 Length. The length of hose shall be as specified (see 6.2), when measured in accordance with
4.7.1. The specified length shall be measured from face to face of the nipple, fitting, or coupling
ends on hose.
3.3.1 Tolerances. For hose lengths over 20 feet (6 096 mm), a tolerance of ± 1 percent shall be
permitted in the length of hose. For 20 feet (6 096 mm) and less, a tolerance of ± 2.5 inches shall
be permitted.
3.4 Construction. The hose assembly shall be constructed as specified in 3.4.1 through 3.4.7 and
in accordance with the dimensions and materials indicated in table II. The construction specified
herein represents minimum requirements and is not intended to exclude hose having additional
layers of textile reinforcement or compound, or hose having special sections of wire that will not
sacrifice smoothness of bore or resistance to damage.
TABLE II. Physical requirements of hose.
4-inch
6-inch
8-inch
12-inch
Requirements
(102 mm)
(152 mm)
(203 mm)
(305 mm)
hose
hose
hose
hose
± 0.062
ID tolerance (plus or minus)
+ 0.062
+ 0.062
+ 0.062
(± 2 mm)
inch (mm)
(+ 2 mm)
(+ 2 mm)
(+ 2 mm)
- 0.250
- 0.250
- 0.250
(- 6 mm)
(- 6 mm)
(- 6 mm)
Thickness of tube - inch (mm)
0.110
0.110
0.125
0.125
(min)
(3 mm)
(3 mm)
(3 mm)
(3 mm)
Thickness of cover - inch (mm)
0.093
0.110
0.110
0.110
(min)
(2 mm)
(3 mm)
(3 mm)
(3 mm)
Minimum bend radii under pressure
3.5
5.25
7.0
10.75
(feet (mm))*
(1 067 mm) (1 600 mm) (2 134 mm) (3 277 mm)
*Does not apply to hose less than 25 feet (7 620 mm) long in 12-inch (305 mm) size.
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