MIL-DTL-28840/3F
D
E
C
Screw
A
B
Shell size
Cable entry
max
max
max
designator
size
thread
max
closed
(see note 3) class 2B
ref.
dia
min
max
.177
.286
.750-20
1.028
.929
.903
1.650
.114-40
A (11)
(26.11) (23.60) (23.60) (22.94)
(4.50)
(7.26)
UNEF
.177
.286
.875-20
1.141
.929
.977
1.650
.114-40
B (13)
(28.98) (23.60) (23.60) (24.82)
(4.50)
(7.26)
UNEF
.250
.416
1.000-20 1.263
1.056
1.151
1.765
.114-40
C (15)
UNEF (32.08) (44.60) (26.82) (29.24)
(6.35)
(10.57)
.291
.476
1.125-18 1.387
1.233
1.281
1.874
.114-40
D (17)
UNEF (35.23) (47.60) (31.32) (32.54)
(7.39)
(12.09)
.348
.626
1.250-18 1.513
1.296
1.406
1.918
.114-40
E (19)
UNEF (38.43) (48.72) (32.92) (35.71)
(8.84)
(15.90)
.429
.831
1.438-18 1.703
1.358
1.576
1.962
.134-32
F (23)
UNEF (43.26) (49.83) (34.49) (40.03)
(10.90)
(21.11)
.523
.956
1.562-18 1.825
1.420
1.666
2.006
.134-32
G (25)
UNEF (46.36) (50.95) (36.07) (42.32)
(13.28)
(24.28)
.643
1.081
1.875-16 2.143
1.634
2.046
2.301
.134-32
H (29)
(54.43) (58.45) (41.50) (51.97)
(16.33)
(27.46)
UN
.704
1.187
2.062-16 2.329
1.859
2.209
2.389
.162-32
J (33)
(59.16) (60.68) (47.22) (56.11)
(17.88)
(30.15)
UNS
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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