MacDon M Series Unloading And Assembly Instructions page 382

Table 6.13 O-Ring Face Seal (ORFS) Hydraulic Fittings
SAE Dash Size
-3
-4
-5
-6
-8
-10
-12
-14
-16
-20
-24
-32
18. Torque values and angles shown are based on lubricated connection as in reassembly.
19. O-ring face seal type end not defined for this tube size.
147962
Thread Size (in.) Tube O.D. (in.)
Note 19
9/16
Note 19
11/16
13/16
1
1-3/16
Note 19
1-7/16
1-11/16
1–2
2-1/2
REFERENCE
3/16
1/4
5/16
3/8
1/2
5/8
3/4
7/8
1
1-1/4
1-1/2
2
368
Torque Value 18
N·m
–
25–28
–
40–44
55–61
80–88
115–127
–
150–165 111–122
205–226 151–167
315–347 232–256
510–561 376–414
ft·lbf
–
18–21
–
29–32
41–45
59–65
85–94
–
Revision A