MIL-DTL-28840/2F
C
D
E
B
Screw
A
Cable entry
Shell size
max
max
max
dia
designator
size
thread
max
closed
(see note 3)
ref.
class 2B
min
max
.177
.286
.750-20
1.028
1.071
.929
.903
.114-40
A (11)
(4.50)
(7.26)
UNEF
(26.11)
(27.20)
(23.60)
(22.94)
.177
.286
.875-20
1.141
1.071
.929
.977
.114-40
B (13)
(4.50)
(7.26)
UNEF
(28.98)
(27.20)
(23.60)
(24.82)
.250
.416
1.000-20
1.263
1.280
1.056
1.151
.114-40
C (15)
(6.35)
(10.57)
UNEF
(32.08)
(32.51)
(26.82)
(29.24)
.291
.476
1.125-18
1.387
1.392
1.233
1.281
.114-40
D (17)
(7.39)
(12.09)
UNEF
(35.23)
(35.36)
(31.32)
(32.54)
.348
.626
1.250-18
1.513
1.517
1.296
1.406
.114-40
E (19)
(8.84)
(15.90)
UNEF
(38.43)
(38.53)
(32.92)
(35.71)
.429
.831
1.438-18
1.703
1.642
1.358
1.576
.134-32
F (23)
(10.90)
(21.11)
UNEF
(43.26)
(41.71)
(34.49)
(40.03)
.523
.956
1.562-18
1.825
1.767
1.420
1.666
.134-32
G (25)
(13.28)
(24.28)
UNEF
(46.36)
(44.88)
(36.07)
(42.32)
.643
1.081
1.875-16
2.143
1.905
1.634
2.046
.134-32
H (29)
(16.33)
(27.46)
UN
(54.43)
(48.39)
(41.50)
(51.97)
.704
1.187
2.062-16
2.329
1.968
1.859
2.209
.162-32
J (33)
(17.88)
(30.15)
UNS
(59.16)
(49.99)
(47.22)
(56.11)
NOTES:
1. Dimensions are in inches. Dimensions apply after plating.
2. Metric equivalents are given for information only.
3. Shell sizes are provided within parentheses for information and are not a part of the designator.
FIGURE 1. Dimensions and configurations - Continued.
2
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