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Appendix
Appendix
Installation & Maintenance
Assemblies
Equipment & Accessories
Fittings
Hoses
Fitting Identification
Fitting Standards
Male
Female
SAE 45˚ Inverted Flare (SAE J512)
Identification
Male fitting, with a straight thread, can either be a
45-
degree flare as a tube fitting or a 42-degree seat as a
machined adapter. The female has a straight thread and
a 42-degree inverted flare.
Seal
The seal takes place on the flared surfaces. The threads
hold the connection in place mechanically.
Application
Fitting is frequently used in automotive systems.
Thread Identification Table
Table: SAE 45˚ Inverted Flare
Dash Size
Nominal
Size
Thread Size
Female
Thread ID
Male
Thread
OD
in.
in.
in.
-2
1/8
5/16-28
9/32
5/16
-3
3/16 3/8-24
21/64
3/8
-4
1/4
7/16-24
25/64
7/16
-5
5/16 1/2-20
29/64
1/2
-6
3/8
5/8-18
37/64
5/8
-7
7/16 11/16-18
5/8
11/16
-8
1/2
3/4-18
45/64
3/4
-10
5/8
7/8-18
13/16
7/8
-12
3/4
1
h
-16
1
1
h
Male
Female
SAE J1467 Clip Fastener
Identification
The male has an external O-ring with a groove to accept
a clip. The female has a smooth bore with two holes to
accept a “U” shaped clip. With the male fitting inserted
into the female fitting, a clip is inserted through the two
holes, locking the connection together.
Seal
The seal is formed between the O-ring on the male
fitting and the smooth bore of the female fitting.
Application
Commonly used for hydraulic application in
underground mines.
Thread Identification Table
SAE J1467 Clip Fastener
Dash Size
Nominal
Size
Female
Thread ID
Male
Thread OD
in.
in.
in.
-4
1/4
19/32
19/32
-6
3/8
5 1/64
25/32
-8
1/2
6 1/64
15/16
-12
3/4
1 9/64
1 9/64
-16
1
1 35/64
1
x
-20
1
e
1
n
1
n
-24
1
f
2 11/64
2
r
-32
2
2
x
2 33/64