TM 55-1520-240-23-1
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STANDARD TORQUE LIMIT APPLICATION
(Continued)
1-13
Standard Torque Limits in Inch-Pounds for Threaded Fasteners
Overtightening fasteners can cause equipment damage or failure of fastener.
BOLT
& NUT
MATERIAL
STEEL & CORROSION RESISTANT STEEL
ALUMINUM
NUT
SELF-LOCKING NUTS, NUT PLATES, CASTELLATED NUTS, 12 POINT NUTS
TYPE
TENSION
SHEAR
TENSION
SHEAR
SHEAR
TENSION
SHEAR
AN310, AN315, MS20161
AN320
MS17825
MS17826
MS21244
AN310
AN320
MS21069 MS21071
AN316
MS21224
AN315
MS21083
NUT PART
MS20365 MS21072
AN315C
MS21044
MS21044 MS21073
MS21083
NUMBER
MS21045 NAS679
NAS1022
MS20500 NAS1021
MS51967
EXAMPLES
MS21055 NAS1068
MS51968
MS21056 BACN10MK
MS51971
MS21059 BACN10JZ
MS21060 BACN10FX
MS21076 BACN10HY
TORQUE LIMITS
(INCH-POUNDS)
THREAD
SIZE
SEE
NOTE
1
SEE
NOTE
3
SEE
NOTE
1
SEE
NOTE
3
SEE
NOTE
5
SEE
NOTE
5
8-32
12 - 15
20
7 - 9
12
10-32
20 - 25
40
12 - 15
25
25 - 35
15 - 20
15 - 20
1/4-28
50 - 70
100
30 - 40
60
55 - 80
30 - 45
35 - 50
35 - 40
20 - 25
5/16-24
100 - 140
225
60 - 85
140
120 - 170
60 - 90
70 - 100
95 - 100
55 - 65
3/8-24
160 - 190
390
95 - 110
240
230 - 325
85 - 125
130 - 190
150 - 165
90 - 100
7/16-20
450 - 500
840
270 - 300
500
370 - 530
155 - 220
210 - 300
225 - 250
135 - 150
1/2-20
480 - 690
1100
290 - 410
660
580 - 830
195 - 280
315 - 450
300 - 375
180 - 225
9/16-18
800 - 1000
1600
480 - 600
960
770 - 1100
280 - 400
460 - 660
400 - 500
240 - 300
5/8-18
1100 - 1300
2400
660 - 780
1400
1120 - 1600
420 - 600
660 - 940
550 - 650
300 - 390
3/4-16
2300 - 2500
5000
1300 - 1500
3000
1400 - 2500
950 - 1100
1310 - 1560
1150 - 1250
690 - 750
7/8-14
2500 - 3000
7000
1500 - 1800
4200
2300 - 3000
1500 - 1800
2075 - 2500
1750 - 2000
1050 - 1200
1-12 or 1-14
3700 - 5500
10000
200 - 3300
6000
3400 - 5500
2000-
3000
2275 - 3410
2325 - 3000
1400 - 1800
1/8-12
5000 - 7000
15000
3000 - 4200
9000
5000 - 7000
2900 - 3900
1740 - 2340
TORQUE WRENCHES
5 - 50 Inch-Pounds
700 - 1600 Inch-Pounds
30 - 150 Inch-Pounds
0 - 600 Foot-Pounds
100 - 750 Inch-Pounds
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