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Appendix
Appendix
Installation & Maintenance
Assemblies
Equipment & Accessories
Fittings
Hoses
Fitting Identification
Fitting Standards
Male 24° Cone
Female
Millimetrique and GAZ 24˚
Identification
GAZ fittings have a 24-degree seat and straight, metric
threads. While similar to DIN fittings, the French use
fine threads on all sizes while the DIN fitting may have a
coarse thread on the larger sizes.
Seal
The French Metric (GAZ) male with 24-degree seat will mate
with the female, 24-degree cone or the female tube fitting.
Comments
The Millimetrique Series is used with whole number
metric OD tubing and the GAZ Series is used with
fractional number metric OD pipe size tubing.
Thread Identification Table
French Metric Millimetrique
Metric
Thread
Female
Thread ID
Male
Thread OD
Tube OD
Dia. x Pitch
mm.
in.
mm in.
mm in.
M 12 x 1
11.0
0.43
12.0 0.47
6
0.24
M 14 x 1
f
12.5 0.49
14.0 0.55 8
0.31
M 16 x 1
f
14.5 0.57
16.0 0.63 10 0.39
M 18 x 1
f
16.5 0.65
18.0 0.71
12 0.47
M 20 x 1
f
18.5 0.73
20.0 0.79 14 0.55
M 22 x 1
f
20.5 0.81
22.0 0.87 15 0.59
M 24 x 1
f
22.5 0.89
24.0 0.94 16 0.63
M 27 x 1
f
25.5 1.00
27.0 1.06 18 0.71
M 30 x 1
f
28.5 1.12
30.0 1.18
22 0.87
M 33 x 1
f
31.5 1.24
33.0 1.30 25 0.98
M 36 x 1
f
34.5 1.36
36.0 1.42
28 1.10
M 39 x 1
f
37.5 1.48
39.0 1.54 30 1.18
M 42 x 1
f
40.5 1.59
42.0 1.65
32 1.26
M 45 x 1
f
43.5 1.71
45.0 1.77
35 1.38
M 48 x 1
f
46.5 1.83
48.0 1.89 38 1.50
M 52 x 1
f
50.5 1.99
52.0 2.05 40 1.57
M 54 x 2
51.9 2.04
54.0 2.13
45 1.77
Male
GAZ Poclain 24˚ Flange
Identification
Usually found on Poclain equipment. The Poclain flange
with a 24-degree seat is different from an SAE flange in
that there is a lip that protrudes from the flange face.
Seal
The male flange will connect with a female flange or
port. The seal is made on the 24-degree seat.
Thread Identification Table
GAZ Poclain 24° Flange
Nominal Size
in.
A
B
C
D
E
F
1/2
1.57 0.72 2.20 1.89 0.55 0.35
5/8
1.57 0.72 2.20 1.89 0.55 0.35
3/4
2.00 0.94 2.75 2.38 0.71 0.43
French Thread Types
Female 24° Cone
Thread Identification Table
French Metric GAZ 24° Cone
Dash
Size
Metric
Thread
Female
Thread ID
Male Thread
OD
Tube OD
Dash Dia. x Pitch
mm in.
mm in.
mm in.
-6
M 20 X 1.5 18.5 0.73 20.0 0.78 13.25 0.52
-8
M 24 X 1.5 22.5 0.89 24.0 0.94 16.75 0.66
-10
M 30 X 1.5 28.5 1.12 30.0 1.18 21.25 0.83
-12
M 36 X 1.5 34.5 1.36 36.0 1.41 26.75 1.05
-16
M 45 X 1.5 43.5 1.71 45.0 1.77 33.50 1.32
-20
M 52 X 1.5 50.5 1.99 52.0 2.04 42.25 1.66
Female
Female Port