MIL-DTL-83798/4C
A
B
Weight
(max)
(max)
Dash
Thread
inch
mm
number
"T"
inch
mm
lbs.
grams
±0.03
±0.16
-3
.375-24UNJF-3B
1.55
39.37
.14
3.56
0.051
23.13
-4
.438-20UNJF-3B
1.52
38.61
.22
5.59
0.068
30.84
-5
.500-20UNJF-3B
1.54
39.12
.22
5.59
0.087
39.46
-6
.563-18UNJF-3B
1.71
43.43
.20
5.08
0.054
24.49
-8
.750-16UNJF-3B
2.02
51.31
.21
6.33
0.084
38.10
-10
.875-14UNJF-3B
2.22
56.39
.24
6.10
0.118
53.52
-12
1.063-12UNJ-3B
2.28
57.91
.32
8.13
0.187
84.82
-16
1.313-12UNJ-3B
2.64
67.06
.33
8.38
0.286
129.73
-20
1.625-12UNJ-3B
2.92
74.17
.37
9.40
0.520
235.87
-24
1.875-12UNJ-3B
3.23
82.04
.34
8.64
0.676
306.63
-32
2.500-12UNJ-3B
3.66
92.96
.37
9.40
1.277
679.24
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for information only.
3. If required, lockwire holes to be drilled in accordance with SAE-AS1043. Use the letter "L" for
ordering fittings with lockwire hole.
FIGURE 1. Fitting, flareless, swivel nut, straight - Continued.
REQUIREMENTS:
Design and construction:
Dimensions and configuration: See figure 1.
Swivel nut and seat of nipple shall mate with SAE-AS4395.
Materials and finishes. Materials and finishes for the socket, nipple, nut, and wire (swivel nut to
nipple) shall be in accordance with MIL-DTL-83798.
Part or Identifying Number (PIN) example:
83798
/4
-10
L
-H
M
Material and finish code (see table I)
Lockwire hole (leave blank if no lockwire hole)
Size (see figure 1)
Specification sheet number
Specification number
M prefix
M83798/4-10L-H indicates: 7/8″ fitting, flareless, swivel nut, straight, with lockwire hole, with zinc
phosphate finish on nipple and nut.
2
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