TM 5-3805-280-24-1
Torque Values
9000
SERVICE RECOMMENDATIONS FOR FLAT
03
7
FACE O-RING SEAL FITTINGS
1. Inspect the fitting sealing surfaces. They must be free
of dirt or defects.
2. Inspect the O-ring. It must be free of damage or
defects.
3. Lubricate O-rings and install into groove using
petroleum jelly to hold in place.
4. Push O-ring into the groove with plenty of petroleum
jelly so O-ring is not displaced during assembly.
5. Index angle fittings and tighten by hand pressing joint
together to insure O-ring remains in place.
6. Tighten fitting or nut to torque value shown on the
chart per dash size stamped on the fitting. Do not allow
hoses to twist when tightening fittings.
FLAT FACE O-RING SEAL FITTING TORQUE
Nominal Tube O.D.
Swivel Nut
Bulkhead Nut
Thread Size
mm
in.
Dash Size
in.
Nm
lb-ft
Nm
lb-ft
6.35
0.250
-4
9/16-18
16
12
5.0
3.5
9.52
0.375
-6
11/16-16
24
18
9.0
6.5
12.70
0.500
-8
13/16-16
50
37
17.0
12.5
15.88
0.625
-10
1-14
69
51
17.0
12.5
19.05
0.750
-12
1 3/16-12
102
75
17.0
12.5
22.22
0.875
-14
1 3/16-12
102
75
17.0
12.5
25.40
1.000
-16
1 7/16-12
142
105
17.0
12.5
31.75
1.250
-20
1 11/16-12
190
140
17.0
12.5
38.10
1.500
-24
2-12
217
160
17.0
12.5
NOTE: Torque tolerance is +15 -20%.
04T,90,K67
1901AUG941/1
1-26
