SECTION 01 - MAINTENANCE
5
O-RING FLAT FACE SEAL FITTING
MINIMUM HARDWARE TIGHTENING TORQUES lfb·ft (Nm)
NOTA:
there is no note on the page that * indicates lb·in and not lb·ft.
O-RING FLAT SEAL FITTING TORQUE VALUES
Nominal
Dash size
Thread size
(inch)
Swivel nut torque
O.D. (inch)
Tube (mm)
lbf·ft
Nm
0.250
0.375
0.500
0.625
0.750
0.875
1.000
1.250
1.500
6.35
9.52
12.70
15.88
19.05
22.22
25.40
31.75
38.10
-4
-6
-8
-10
-12
-14
-16
-20
-24
9/16-18
11/16-16
13/16-16
1-14
1 3/16-12
1 3/16-12
1 7/16-12
1 11/16-12
2-12
12
18
37
51
75
75
105
140
160
16
24
50
69
102
102
142
190
217
INCH HARDWARE AND LOCKNUTS
SAE GRADE 2
SAE GRADE 5
SAE GRADE 8
LOCKNUTS
Nominal
Size
Unplated
or plated
silver
Plated
with zinc-
chrome
gold
Unplated
or plated
silver
Plated
with zinc-
chrome
gold
Unplated
or plated
silver
Plated
with zinc-
chrome
gold
Gr.B with
Grade 5
bolt
Gr.C with
Grade 8
bolt
Nominal
Size
1/4
55* (6.2)
72* (8.1)
86* (9.7)
112* (13)
121* (14)
157* (18)
61* (6.9)
86* (9.8)
1/4
5/16
115* (13)
149* (17)
178* (20)
229* (26)
250* (28)
324* (37)
125* (14)
176* (20)
5/16
3/8
17 (23)
22 (30)
26 (35)
34 (46)
37 (50)
48 (65)
19 (26)
26 (35)
3/8
7/16
27 (37)
35 (47)
42 (57)
54 (73)
59 (80)
77 (104)
30 (41)
42 (57)
7/16
1/2
42 (57)
54 (73)
64 (87)
83 (113)
91 (123)
117 (159)
45 (61)
64 (88)
1/2
9/6
60 (81)
77 (104)
92 (125)
120 (163) 130 (176)
169 (229)
65 (88)
92 (125)
9/16
5/8
83 (112)
107 (145)
128 (174)
165 (224) 180 (244)
233 (316)
90 (122)
127 (172)
5/8
3/4
146 (198)
189 (256)
226 (306)
293 (397) 319 (432)
413 (560)
160 (217) 226 (306)
3/4
7/8
142 (193)
183 (248)
365 (495)
473 (641) 515 (698)
667 (904)
258 (350) 364 (494)
7/8
1
213 (289)
275 (373)
547 (742)
708 (960) 773 (1048) 1000 (1356) 386 (523) 545 (739)
1
METRIC HARDWARE AND LOCKNUTS
CLASS 5.8
CLASS 8.8
CLASS 10.9
LOCKNUT
CL.8 with
Class 8.8
bolt
Nominal
Size
Unplated
Plated with
zinc-chrome
Unplated
Plated with
zinc-chrome
Unplated
Plated with
zinc-chrome
M4
15* (1.7)
19* (2.2)
23* (2.6)
30* (3.4)
33* (3.7)
42* (4.8)
16* (1.8)
M6
51* (5.8)
67* (7.6)
79* (8.9)
102* (12)
115* (13)
150* (17)
56* (6.3)
M8
124* (14)
159* (18)
195* (22)
248* (28)
274* (31)
354* (40)
133* (15)
M10
21 (28)
27 (36)
32 (43)
41 (56)
45 (61)
58 (79)
22 (30)
M12
36 (49)
46 (63)
55 (75)
72 (97)
79 (107)
102 (138)
39 (53)
M16
89 (121)
117 (158)
137 (186)
177 (240)
196 (266)
254 (344)
97 (131)
M20
175 (237)
226 (307)
277 (375)
358 (485)
383 (519)
495 (671)
195 (265)
M24
303 (411)
392 (531)
478 (648)
619 (839)
662 (897)
855 (1160)
388 (458)
Содержание B110B
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