MIL-DTL-52618/6E
Configuration designators shall be in accordance with table I.
TABLE I. Configuration code letter for fittings.
Configuration
Description
code
M
Cast caps with ribs
N
Cast caps
Size code numbers shall be in accordance with table II.
TABLE II. Size code numbers for fittings.
Size code
Nominal pipe size
numbers
(inch)
04
1/2
05
3/4
06
1
07
1 - 1/4
08
1 - 1/2
09
2
10
2 - 1/2
11
3
12
3 - 1/2
13
4
14
5
15
6
16
8
17
10
18
12
Pipe threads shall be in accordance with MIL-DTL-52618.
Pipe thread direction code shall be in accordance with table III.
TABLE III. Thread direction code letter.
Thread direction
Thread direction
code letter
X
Right-hand
Y
Left-hand
Z
Right- and left-hand
Finish shall be in accordance with MIL-DTL-52618.
Finish code letter shall be in accordance with table IV.
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