MIL-DTL-3992F
TABLE VI. Burst pressure requirements. 1/ 2/
Burst pressure
Nominal
Nominal
Nominal
Type I
Type I
Type II
hose size
hose size
hose size
Classes
Classes
Styles
inches
inches
metric
1 and 2
3 and 4
A and B
fraction
decimal
(mm)
psi (bar)
psi (bar)
psi (bar)
900
10,000
---
3/16
.188
4.76
(62.0)
(689.5)
350
7/32
.219
5.56
---
---
(24.13)
900
10,000
1,200
1/4
.250
6.35
(62.0)
(689.5)
(82.74)
900
9,000
---
5/16
.3125
7.94
(62.0)
(620.5)
350
11/32
.344
8.73
---
---
(24.13)
900
8,000
1,200
3/8
.375
9.53
(62.0)
(551.6)
(82.74)
900
8,000
1,200
13/32
.406
10.32
(62.0)
(551.6)
(82.74)
900
7/16
.438
11.11
---
---
(62.0)
350
15/32
.469
11.91
---
---
(24.13)
900
7,000
1,000
1/2
.500
12.70
(62.0)
(482.6)
(68.95)
900
6,000
1,000
5/8
.625
15.88
(62.0)
(413.7)
(68.95)
900
5/8 Special
.625
15.88
---
---
(62.0)
800
3/4
.750
19.05
---
---
(55.16)
800
1
1.00
25.40
---
---
(55.16)
1/ Dimensions are in inches.
2/ Metric equivalents are given for information only.
3.7.1.2 Adhesion. When tested as specified in 4.8.2.2 the hose specimens shall show no separation
of the plies, the tube from the plies or the cover from the plies upon application of a load of not less than
10 pounds per 1 inch (4.53 kg per 25.4 mm) of hose width.
3.7.1.3 Ozone resistance. When tested as specified in 4.8.2.3 the hose outer cover specimens cut
from untested hose shall exhibit no cracking after exposure to ozone.
3.7.1.4 Oil immersion. When tested as specified in 4.8.2.4 hose specimens shall not demonstrate a
volume increase greater than 100%.
3.7.1.5 Fungus resistance. When tested as specified in 4.8.2.5 hose and hose assemblies shall be
fungus resistant. After being exposed to fungus, specimens shall meet the length change requirements
9
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