MIL-DTL-28840/6E
Y
Dash
L
X
Shell size
Working
V
± .12
designator
room
thread
no.
ref.
dia
(± 3.05)
ref.
class 2
(see note 1)
max
01
A (11)
.625-24 UNEF
.938 (23.82)
02
.625-24 UNEF
.938 (23.82)
B (13)
03
.750-20 UNEF
1.125 (28.57)
1.281
2.00
3.62 (91.95)
(50.80)
(32.53)
04
.625-24 UNEF
.938 (23.82)
05
.750-20 UNEF
1.125 (28.57)
C (15)
06
.875-20 UNEF
1.312 (33.32)
07
1.188-18 UNEF
1.312 (33.32)
1.593 (40.46)
08
1.000-20 UNEF
1.281 (32.54)
1.312 (33.32)
09
D (17)
1.188-18 UNEF
1.312 (33.32)
1.593 (40.46)
2.50
4.12 (104.65)
(63.50)
10
1.438-18 UNEF
1.406 (35.71)
1.750 (44.45)
11
1.000-20 UNEF
1.281 (32.54)
1.312 (33.32)
E (19)
12
1.438-18 UNEF
1.406 (35.71)
1.750 (44.45)
13
1.188-18 UNEF
1.312 (33.32)
1.593 (40.46)
14
F (23)
1.438-18 UNEF
1.406 (35.71)
1.750 (44.45)
3.00
4.62 (117.35)
(76.20)
15
1.750-18 UNS
1.593 (40.46)
2.093 (53.16)
16
1.438-18 UNEF
1.406 (35.71)
1.750 (44.45)
17
1.750-18 UNS
2.093 (53.16)
G (25)
1.593 (40.46)
18
1.750-18 UNS
2.093 (53.16)
19
2.000-18 UNS
1.625 (41.28)
2.343 (59.51)
3.50
5.12 (130.05)
20
1.750-18 UNS
1.593 (40.46)
2.093 (53.16)
(88.90)
H (29)
21
2.000-18 UNS
1.625 (41.28)
2.343 (59.51)
22
2.000-18 UNS
J (33)
23
2.250-16 UNS
1.900 (48.26)
2.750 (69.85)
24
.750-20 UNEF
1.125 (28.57)
A (11)
2.00
3.62 (91.95)
25
(50.80)
.875-20 UNEF
1.281 (32.54)
1.312 (33.32)
26
B (13)
27
2.50
4.12 (104.65)
1.000-20 UNEF
(63.50)
28
C (15)
NOTES:
1. Shell sizes are provided within parentheses for information and are not a part of the designator.
2. Dimensions are in inches.
3. Metric equivalents are given for information only.
4. Dimensions apply after plating.
FIGURE 1. Dimensions and configurations - Continued.
4
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