TM 55-607/NAVSEA OP 3221 Rev 2
Table C-3. (Continued)
SIZE OF COMMON SPIKE
10
12
16
20
30
40
50
60
5/16 in.
1/8in.
.39
25
25
26
30
32
34
37
37
40
48
.38
24
24
25
28
30
32
35
35
38
46
.37
22
22
24
26
28
30
33
33
36
43
.36
21
21
22
24
26
28
30
30
34
40
.34
18
18
19
21
23
24
26
26
29
35
.31
15
15
16
18
20
21
22
22
25
30
C-3
