SAE J514, 37° Flare JIC

Commonly referred to as 37° JIC, this connection is widely used in hydraulic systems. When the straight threads are engaged, the 37° male seat seals on the 37° female flare seat. Most thread sizes are identical to the 45° SAE connection as noted (*) below. Care must be taken not to confuse these two connectors, which have different seat angles.

    

Dash
Size
Inch
Size
Thread
per in
Male
Thread OD
mm         in

Female Thread ID
mm         in

2
3
4
5
6
8
10
12
14
16
20
24
32
1/8”
3/16”
1/4”
5/16”
3/8”
1/2”
5/8”
3/4”
7/8”
1”
1-1/4”
1-1/2”
2”
24
24
20
20
18
16
14
12
12
12
12
12
12
7.9    0.31
9.6    0.38
11.2    0.44
12.7    0.50
14.2    0.56
19.0    0.75
22.3    0.88
26.9    1.06
30.2    1.19
33.3    1.31
41.4    1.63
47.7    1.88
63.5    2.50
6.9    0.27
8.6    0.34
9.9    0.39
11.4    0.45
12.9    0.51
17.0    0.67
20.3    0.80
24.9    0.98
27.9    1.10
31.0    1.22
39.1    1.54
45.5    1.79
61.2    2.41

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