MIL-DTL-28840/6 Style A
Straight EMI/RFI Environmental Backshell
Material and Finish
CONNECTOR DESIGNATOR:
D = Corrosion Resistant Steel, Cadmium Plate, Black
W = Aluminum, Cadmium Olive Drab
MIL-DTL-28840
G
M28840/6
16 W A
Basic
Part
Dash No.
(Table II)
Style
A = EMI/Environmental
Number
D
TABLE II: Dash Number, Shell Size, Dimensions and Cable Range
Dash Shell
E
F Ref
Dim
G Ref
Dim
Cable Range
No.
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Size
11
13
13
15
15
15
15
17
17
17
19
19
23
23
23
25
25
25
25
29
29
33
33
11
11
13
13
15
± .120 (3.0)
Min
Max
TABLE I: Shell Size and Dimensions
3.62 (91.9) 1.281 (32.5)
3.62 (91.9) 1.281 (32.5)
.938 (23.8)
.938 (23.8)
.188 (4.8)
.188 (4.8)
.281 (7.1)
.188 (4.8)
.281 (7.1)
.344 (8.7)
.438 (11.1)
.375 (9.5)
.438 (11.1)
.625 (15.9)
.375 (9.5)
.625 (15.9)
.438 (11.1)
.625 (15.9)
.312 (7.9)
.312 (7.9)
.438 (11.1)
.312 (7.9)
.438 (11.1)
.562 (14.3)
.750 (19.1)
.625 (15.9)
.750 (19.1)
.938 (23.8)
.625 (15.9)
.938 (23.8)
.750 (19.1)
.938 (23.8)
C Dia
Max
Shell
Size
A Thread
Class 2B
3.62 (91.9) 1.281 (32.5) 1.125 (28.6)
3.62 (91.9) 1.281 (32.5) .938 (23.8)
11
13
15
17
19
23
25
29
33
.750 - 20 UNEF 1.028 (26.1)
.875 - 20 UNEF 1.141 (29.0)
1.000 - 20 UNEF 1.263 (32.1)
1.125 - 18 UNEF 1.387 (35.2)
1.250 - 18 UNEF 1.513 (38.4)
1.438 - 18 UNEF 1.703 (43.3)
1.562 - 18 UNEF 1.825 (46.4)
3.62 (91.9) 1.281 (32.5) 1.125 (28.6)
3.62 (91.9) 1.281 (32.5) 1.312 (33.3)
4.12 (104.6) 1.312 (33.3) 1.593 (40.5)
4.12 (104.6) 1.281 (32.5) 1.312 (33.3)
4.12 (104.6) 1.312 (33.3) 1.593 (40.5)
4.12 (104.6) 1.406 (35.7) 1.750 (44.5)
4.12 (104.6) 1.281 (32.5) 1.312 (33.3)
4.12 (104.6) 1.406 (35.7) 1.750 (44.5)
4.62 (117.3) 1.312 (33.3) 1.593 (40.5)
4.62 (117.3) 1.406 (35.7) 1.750 (44.5)
4.62 (117.3) 1.593 (40.5) 2.093 (53.2)
4.62 (117.3) 1.406 (35.7) 1.750 (44.5)
5.12 (130.0) 1.593 (40.5) 2.093 (53.2)
5.12 (130.0) 1.593 (40.5) 2.093 (53.2)
1.875 - 16 UN
2.143 (54.4)
2.329 (59.2)
2.062 - 16 UNS
.812 (20.6) 1.188 (30.2)
.625 (15.9) .938 (23.8)
APPLICATION NOTES
.812 (20.6) 1.188 (30.2)
.875 (22.2) 1.250 (31.8)
1.
2.
3.
For complete dimensions see the
applicable Military Specification.
5.12 (130.0) 1.625 (41.3) 2.343 (59.5) 1.000 (25.4) 1.380 (35.1)
5.12 (130.0) 1.593 (40.5) 2.093 (53.2) .812 (20.6) 1.188 (30.2)
Metric dimensions (mm) are in
parentheses.
5.12 (130.0) 1.625 (41.3) 2.343 (59.5) 1.000 (25.4) 1.380 (35.1)
5.12 (130.0) 1.625 (41.3) 2.343 (59.5) 1.000 (25.4) 1.380 (35.1)
5.12 (130.0) 1.900 (48.3) 2.750 (69.9) 1.250 (31.8) 1.625 (41.3)
Cable Range is defined as the
accommodation range for the wire
bundle or cable. Dimensions shown
are not intended for inspection
criteria.
3.62 (91.9) 1.281 (32.5) 1.125 (28.6)
3.62 (91.9) 1.281 (32.5) 1.312 (33.3)
3.62 (91.9) 1.281 (32.5) 1.312 (33.3)
4.12 (104.6) 1.281 (32.5) 1.312 (33.3)
4.12 (104.6) 1.281 (32.5) 1.312 (33.3)
.281 (7.1)
.344 (8.7)
.344 (8.7)
.375 (9.5)
.375 (9.5)
.438 (11.1)
.562 (14.3)
.562 (14.3)
.625 (15.9)
.625 (15.9)
Dimensions in inches (millimeters) and are subject to change without notice.
U.S. CAGE Code 06324
© 2013 Glenair, Inc.
Printed in U.S.A.
GLENAIR, INC. • 1211 AIR WAY • GLENDALE, CA 91201-2497 • 818-247-6000 • FAX 818-500-9912
www.glenair.com
E-Mail: sales@glenair.com
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