MIL-DTL-52471/5C
Dimensions. Dimensions shall be as specified in table II.
TABLE II. Dimensions, type 100R2 hose.
A
Hose
ID
Inner tube
ID
Hose
Metric
Inside diameter
dash
size
size 1/
mm 2/
number
(inch)
min
max
-4
6.3
1/4
6.2
7.0
-6
10
3/8
9.3
10.1
-8
12.5
1/2
12.3
13.5
-12
19
3/4
18.6
19.8
-16
25
1
25.0
26.4
-20
31.5
1-1/4
31.4
33.0
-24
38
1-1/2
37.7
39.3
-32
51
2
50.4
52.0
1/ Metric size number is not a dimension, it is a label used to
identify the product size reference ISO 4397.
2/ Metric size is taken from SAE J517 and is not a soft
conversion.
Cover dimensions. The cover dimensions shall be in as specified in table III.
TABLE III. Cover dimensions, type 100R2 hose. 1/ 2/
B
B
Cover
Cover alternate
Hose
Hose
Maximum
ID
ID
Minimum outside
Maximum outside
outside
dash
(inch)
diameter
diameter
diameter
number
Inch
mm
Inch
mm
Inch
mm
-4
1/4
.719 18.26
.656
16.66
.619
15.72
-6
3/8
.875 22.23
.812
20.62
.777
19.74
-8
1/2
1.000 25.40
.938
23.83
.908
23.06
-12
3/4
1.281 32.54
1.219
30.96
1.190
30.23
-16
1
1.609 40.87
1.516
38.51
1.531
38.89
-20
1-1/4
2.062 52.37
1.938
49.23
1.953
49.61
-24
1-1/2
2.312 58.72
2.188
55.58
2.203
55.96
-32
2
2.812 71.42
2.688
68.28
2.703
68.66
1/ Dimensions are in inches.
2/ Metric equivalents are given for information only.
Wire reinforcement. Wire reinforcement shall be as specified in table IV.
2