TM 5-3895-379-23-2
0284
GENERAL TORQUE VALUES - Continued
O-Ring Boss Fittings Service Recommendations - Continued
6.
Hold fitting head-end with a wrench and tighten locknut and back-up washer to proper torque value.
Table 7.
Straight Fitting or Special Nut Torque Values*.
Thread Size
lb-ft
Nm
3/8 - 24 UNF
6
8
7/16 - 20 UNF
9
12
1/2 - 20 UNF
12
16
9/16 - 18 UNF
18
24
3/4 - 16 UNF
34
46
7/8 - 14 UNF
46
62
1-1/16 - 12 UN
75
102
1-3/16 - 12 UN
90
122
1-5/16 - 12 UN
105
142
1-5/8 - 12 UN
140
190
1-7/8 - 12 UN
160
217
* Torque tolerance is 10%.
7.
Table 8 lists the O-Ring Boss Straight and Adjustable Fitting Stud End Nut Torque Values.
Table 8.
O-Ring Boss Straight and Adjustable Fitting Stud End Nut Torque Values.
Metric thread in aluminum housing torque values. Tolerance is 10% unless other wise specified.
Thread Size
Hex Nut Size (mm)
lb-ft (Nm)
M12 x 1.5
17
29 (39)
M14 x 1.5
19
29 (39)
M16 x 1.5
22
41 (55)
M22 x 1.5
27
55 (75)
M27 x 2
32
81 (110)
03/15/2011Rel(1.8)root(torquewp)wpno(M00222)
