TM-9-2320-283-34-2
TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, MQ15A1
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
DECEMBER 1983
TM-9-2320-283-34-2 - Page 551 of 570
TM 9-2320-283-34-2
APPENDIX D
TORQUE LIMITS
USAGE
MUCH USED
MUCH USED
USED AT TIMES USED AT TIMES
CAPSCREW DIAMETER
To l/2-69,000 To 3/4-120,000 To 5/8-140,000
150,000
AND MINIMUM
TENSILE STRENGTH
To 3/4-64,000
To 1-115,000
To 3/4-133,000
(PSI)
To 1-55,000
QUALITY OF
INDETERMINATE
MINUMUM
MEDIUM
BEST
MATERIAL
COMMERCIAL
COMMERCIAL
COMMERCIAL
SAE
GRADE
NUMBER
1
or 2
5
6 or
7
8
CAPSCREW HEAD
MARKINGS:
Manufacturer's
marks may vary.
These are all
SAE
Grade 5:
CAPSCREW BODY SIZE
(Inches)-(Thread)
1/4
-
20
-
5/16 -18
28
18
24
3/8 - 16
7/16 -
24
14
20
l/2 - 13
20
9/16 - 12
18
5/8 -
11
18
10
3/4 - 16
7/8 -
9
1-8
14
8
14
TORQUE
(1b-ft)
6
11
13
18
20
28
30
39
41
51
55
83
95
105
115
160
175
235
250
TORQUE
(1b-ft)
8
10
17
19
31
35
49
55
75
85
110
120
150
170
270
295
395
435
590
660
TORQUE
(1b-ft)
10
19
34
55
85
120
167
280
440
660
TORQUE
(1b-ft)
12
14
24
27
44
49
70
78
105
120
155
170
210
240
375
420
605
675
910
990
D-1
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