MIL-DTL-52471/9B
Hose dimensions. Hose dimensions shall be as specified in table II.
TABLE II. Dimensions, type 100R12 hose.
B cover OD
A inner tube ID
Hose ID
Hose ID
Metric size
mm 2/
mm 2/
dash
1/
(inch)
number
min
max
min
max
-8
12.5
1/2
12.3
13.5
19.9
21.5
-12
19
3/4
18.6
19.8
26.9
28.4
-16
25
1
25.0
26.4
34.1
35.7
1/ Metric size number is not a dimension, it is a label used to identify the
product size specified in ISO 4397.
2/ Metric size is taken from SAE J517 and is not a soft conversion.
Hose characteristics. Hose characteristics shall be as specified in table III.
TABLE III. Hose characteristics, type 100R12. 1/ 2/
Hose
C wire
Minimum bend
Weight per foot
Hose ID
ID
reinforcement OD
radius
inch
dash
inch
mm
number
inch
cm
lbs
grams
-8
1/2
7.00
17.8
.58
263
.784/.846
19.91/21.49
-12
3/4
9.50
24.1
.87
395
1.059/1.120
26.90/28.45
-16
1
12.00
30.48
1.40
635
1.344/1.405
34.14/35.69
1/ Dimensions are in inches.
2/ Metric equivalents are given for information only.
Hose concentricity. Hose concentricity shall be as specified in table IV.
TABLE IV. Concentricity.
Concentricity (FIM) between 1/
Hose ID
Tube ID (A) and
Tube ID (A) and
(inch)
cover OD (B)
reinforcement OD (C)
mm 2/
mm 2/
1/2, 3/4
1.0
0.7
1
1.3
0.9
1/ Full indicator movement (FIM).
2/ Metric size is taken from SAE J517 and is not a soft conversion.
REQUIREMENTS:
The hose assemblies shall be as specified on figure 1 and in tables I through IV.
Inside and outside diameters are measured at least 2 inches (50.80 mm) from the end.
2