US Thread Chart Summary
DASH
SIZE
|
N.P.T.F.
|
N.P.S.M.
APPROX DIA
|
SAE 45
AUTO REFRIG
|
SAE 37 (J.I.C.)
HYDRAULIC
|
SAEO O-RING
BOSS
|
SAE INVERT
FLARE
|
ORS
|
-02
|
1/8-27
|
1/8-27
|
5/16-24
|
5/16-24
|
5/16-24
|
5/16-24
|
|
-03
|
|
|
3/8-24
|
3/8-24
|
3/8-24
|
3/8-24
|
|
-04
|
1/4-18
|
1/4-18
|
7/16-20
|
7/16-20
|
7/16-20
|
7/16-24
|
9/16-20
|
-05
|
|
|
1/2-20
|
1/2-20
|
1/2-20
|
1/2-20
|
|
-06
|
3/8-18
|
3/8-18
|
5/8-18
|
9/16-18
|
9/16-18
|
5/8-18
|
11/16-16
|
-07
|
|
|
11/16-24
|
|
|
11/16-18
|
|
-08
|
1/2-14
|
1/2-14
|
3/4-16
|
3/4-16
|
3/4-16
|
3/4-18
|
3/4-16
|
-10
|
|
|
7/8-14
|
7/8-14
|
7/8-14
|
7/8-18
|
1-14
|
-12
|
3/4-14
|
3/4-14
|
1 1/16-14
|
1 1/16-12
|
1 1/16-12
|
1 1/16-16
|
1 3/16-12
|
-14
|
|
|
|
1 3/16-12
|
1 3/16-12
|
|
|
-16
|
1-11 1/2
|
1-11 1/2
|
|
1 5/16-12
|
1 5/16-12
|
|
1 7/16-12
|
-20
|
1 1/4-11 1/2
|
1 1/4-11 1/2
|
|
1 5/8-12
|
1 5/8-12
|
|
1 11/16-12
|
-24
|
1 1/2-11 1/2
|
1 1/2-11 1/2
|
|
1 7/8-12
|
1 7/8-12
|
|
2-12
|
-32
|
2-11 1/2
|
2-11 1/2
|
|
2 1/2-12
|
2 1/2-12
|
|
|
-40
|
2 1/2-8
|
2 1/2-8
|
|
3-12
|
3-12
|
|
|
-48
|
3-8
|
3-8
|
|
3 1/2-12
|
3 1/2-12
|
|
|
|