Table 6.10 Flare-Type Hydraulic Tube Fittings
Torque Value
9
Flats from Finger Tight (FFFT)
SAE Dash Size
Thread Size (in.)
ft·lbf
N·m
Tube
Swivel Nut or
Hose
-2
5/16–24
3–4
4–5
—
—
-3
3/8–24
5–6
7–8
—
—
-4
7/16–20
13–14
18–19
2-1/2
2
-5
1/2–20
14–15
19–21
2
2
-6
9/16–18
22–24
30–33
2
1-1/2
-8
3/4–16
42–46
57–63
2
1-1/2
-10
7/8–14
60–66
81–89
1-1/2
1-1/2
-12
1-1/16–12
83–91
113–124
1-1/2
1-1/4
-14
1-3/16–12
100–110
136–149
1-1/2
1-1/4
-16
1-5/16–12
118–130
160–176
1-1/2
1
-20
1-5/8–12
168–184
228–250
1
1
-24
1-7/8–12
195–215
264–291
1
1
-32
2-1/2–12
265–291
359–395
1
1
-40
3–12
—
—
1
1
9.
Torque values shown are based on lubricated connections as in reassembly.
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Revision A