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Page Title:
Table D-4. Torque for Straight Threaded Tube Fittings, Hose Fittings, and Plugs with O-Rings" |
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 TM 55-1905-223-24-17
Table D-4. Torque for Straight Threaded Tube Fittings,
Hose Fittings, and Plugs with O-Rings"
For 37 45 and Inverted Flared Fittings PER SAE Standards
,
,
J512, J514, and J516 (See Note)
Nominal
Nominal
Tightening
Torque
Thread
Tube
Torque ft-lb
in-lb Equiv.
od
Size
Nuts & Plugs
5/16
1/8
3.6
0.5
43 6
3/8
3/16
8.6
1.0
103 12
7/16
1/4
12
1.5
144 18
1/2
5/16
15
1.5
180 24
9/16 & 5/8
3/8
18
2
11/16
7/16
25
3
3/4
1/2
30
4
7/8
5/8
40
5
1-1/16
3/4
55
7
1-3/16 & 1-1/4
7/8
65
8
1-5/16 & 1-3/8
1
80
10
1-5/8
1-1/4
100
12
1-7/8
1-1/2
120
15
2-1/2
2
230
30
NOTE: This chart does not apply to other than the 3 flared designs quoted.
D-3/(D-4 blank)
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