TM-9-2320-272-23-5
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 5 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-5 - Page 445 of 623
Table
2.
Torque Limits for Wet Fasteners.
SIZE
TORQUE
SAE GRADE
NO. 1 or 2
M9865DAA
SAE GRADE
NO. 5
M9867DAA
SAE GRADE
NO. 6 or 7
M9869DAA
SAE GRADE
NO. 8
M9871DAA
DIAMETER
IN.
THREADS
PER INCH
DIAMETER
MM
LB-FT (N·M)
LB-FT (N·M)
LB-FT (N·M)
LB-FT (N·M)
1/4
20
6.35
4.5 (6.1)
7.2 (9.76)
9.0 (12.20)
10.8 (14.64)
1/4
28
6.35
5.4 (7.32)
9.0 (12.20)
----------
12.6 (17.09)
5/16
18
7.94
9.9 (13.42)
15.3 (20.75)
17.1 (23.19)
21.6 (29.29)
5/16
24
7.94
11.7 (15.87)
17.1 (23.19)
----------
24.3 (32.95)
3/8
16
9.53
16.2 (21.97)
27.9 (37.83)
30.6 (41.49)
39.6 (53.70)
3/8
24
9.53
18.0 (24.41)
31.5 (42.71)
----------
44.1 (59.80)
7/16
14
11.11
25.2 (34.17)
44.1 (59.80)
49.5 (67.12)
63.0 (85.43)
7/16
20
11.11
27.0 (36.61)
49.5 (67.12)
----------
70.2 (95.19)
1/2
13
12.70
35.1 (47.60)
67.5 (91.53)
76.5 (103.73)
94.5 (128.14)
1/2
20
12.70
36.9 (50.04)
76.5 (103.73)
----------
108.0 (146.45)
9/16
12
14.29
45.9 (62.24)
99.0 (134.24)
108.0 (146.45)
139.5 (189.16)
9/16
18
14.29
49.5 (67.12)
108.0 (146.45)
----------
153.0 (207.47)
5/8
11
15.88
56.7 (76.89)
135.0 (183.06)
150.3 (203.81)
189.0 (256.28)
5/8
18
15.88
85.5 (115.94)
153.0 (207.47)
----------
216.0 (292.90)
3/4
10
19.05
94.5 (128.14)
243.0 (329.51)
252.0 (341.71)
337.5 (457.65)
3/4
16
19.05
103.5 (140.35)
265.5 (360.02)
----------
378.0 (512.57)
7/8
9
22.23
144.0 (195.26)
355.5 (482.06)
396.0 (536.98)
544.5 (738.34)
TM 9-2320-272-23-5
0821
0821-6
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