TM 5-2420-230-24-2
Capscrew Markings and Torque Values
B3.9 and B5.9 Series Engines
Page V-72
Section V - Specifications
Capscrew Markings and Torque Values - U.S. Customary
Capscrew Body Size
Cast Iron
Aluminum
Cast Iron
Aluminum
Nm
ft-lb
Nm
ft-lb
Nm
ft-lb
Nm
ft-lb
1/4 - 20
9
7
8
6
15
11
8
6
1/4 - 28
12
9
9
7
18
13
9
7
5/16 - 18
20
15
16
12
30
22
16
12
5/16 - 24
23
17
19
14
33
24
19
14
3/8 - 16
40
30
25
20
55
40
25
20
3/8 - 24
40
30
35
25
60
45
35
25
35
65
45
90
35
45
45
60
7/16 - 14
40
55
95
70
40
55
50
65
7/16 - 20
55
95
75
130
55
95
70
75
1/2 - 13
60
80
150
110
60
80
1/2 - 20
100
75
110
80
190
140
100
110
80
135
9/16 - 12
85
155
115
85
210
150
110
115
9/16 - 18
110
190
150
110
255
150
180
135
5/8 - 11
160
120
290
215
160
120
155
5/8 - 18
210
3/4 - 10
325
240
255
190
460
340
255
190
3/4 - 16
365
270
285
210
515
380
285
210
7/8 - 9
490
360
380
280
745
550
380
280
7/8 - 14
530
390
420
310
825
610
420
310
1-8
720
530
570
420
1100
820
570
420
1 - 14
800
590
650
480
1200
890
650
480
g-04 (cap-i)
L-1436
