MIL-DTL-28840/6 Style B
Straight Environmental Backshell
CONNECTOR DESIGNATOR:
MIL-DTL-28840
Material and Finish
D = Corrosion Resistant Steel,
Cadmium Plate, Black
W = Aluminum, Cadmium Olive Drab
Basic
Part Number
G
M28840/6
16 W B
Style Designator
B = Environmental
Dash Number
(Table II)
D
TABLE II: Dash Number and Dimensions
Dash
No.
Shell
Size Ref.
E
F Ref.
Dim
G Ref.
Dim
Cable Range
± .12 (3.0)
Min
Max
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
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
3.620 (91.9) 1.281 (32.5)
3.620 (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)
APPLICATION NOTES
3.620 (91.9) 1.281 (32.5) 1.125 (28.6)
3.620 (91.9) 1.281 (32.5) .938 (23.8)
1. For complete dimensions see the
3.620 (91.9) 1.281 (32.5) 1.125 (28.6)
3.620 (91.9) 1.281 (32.5) 1.312 (33.3)
4.120 (104.6) 1.312 (33.3) 1.593 (40.5)
4.120 (104.6) 1.281 (32.5) 1.312 (33.3)
4.120 (104.6) 1.312 (33.3) 1.593 (40.5)
4.120 (104.6) 1.406 (35.7) 1.750 (44.5)
4.120 (104.6) 1.281 (32.5) 1.312 (33.3)
4.120 (104.6) 1.406 (35.7) 1.750 (44.5)
4.620 (117.3) 1.312 (33.3) 1.593 (40.5)
4.620 (117.3) 1.406 (35.7) 1.750 (44.5)
4.620 (117.3) 1.593 (40.5) 2.003 (50.9)
4.620 (117.3) 1.406 (35.7) 1.750 (44.5)
5.120 (130.0) 1.593 (40.5) 2.093 (53.2)
5.120 (130.0) 1.593 (40.5) 2.093 (53.2)
applicable Military Specification.
2. Metric dimensions (mm) are in
parentheses.
3. Cable Range is defined as the
accommodation range for the wire
bundle or cable. Dimensions shown are
not intended for inspection criteria.
.812 (20.6) 1.188 (30.2)
.625 (15.9) .938 (23.8)
TABLE I: Shell Size
.812 (20.6) 1.188 (30.2)
.875 (22.2) 1.250 (31.8)
C Dia
Max
Shell
Size
A Thread
Class 2B
5.120 (130.0) 1.625 (41.3) 2.343 (59.5) 1.000 (25.4) 1.380 (35.1)
5.120 (130.0) 1.593 (40.5) 2.093 (53.2) .812 (20.6) 1.188 (30.2)
11
13
15
17
19
23
25
29
33
.750 - 20 UNEF 1.030 (26.2)
.875 - 20 UNEF 1.140 (29.0)
1.000 - 20 UNEF 1.260 (32.0)
1.125 - 18 UNEF 1.390 (35.3)
1.250 - 18 UNEF 1.510 (38.4)
1.438 - 18 UNEF 1.700 (43.2)
1.563 - 18 UNEF 1.820 (46.2)
5.120 (130.0) 1.625 (41.3) 2.343 (59.5) 1.000 (25.4) 1.380 (35.1)
5.120 (130.0) 1.625 (41.3) 2.343 (59.5) 1.000 (25.4) 1.380 (35.1)
5.120 (130.0) 1.900 (48.3) 2.750 (69.9) 1.250 (31.8) 1.625 (41.3)
3.620 (91.9) 1.281 (32.5) 1.125 (28.6)
3.620 (91.9) 1.281 (32.5) 1.312 (33.3)
3.620 (91.9) 1.281 (32.5) 1.312 (33.3)
4.120 (104.6) 1.281 (32.5) 1.312 (33.3)
4.120 (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)
1.875 - 16 UN
2.140 (54.4)
2.330 (59.2)
2.063 - 16 UNS
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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