MIL-DTL-28840/8 Style A
90° EMI/RFI Environmental Backshell
CONNECTOR DESIGNATOR:
MIL-DTL-28840
Material and Finish
D = Corrosion Resistant Steel, Cadmium Plate, Black
W = Aluminum, Cadmium Olive Drab
G
M28840/8
16 W A
Basic
Part
Dash No.
(Table II)
Style
A = EMI/Environmental
Number
TABLE II: Dash Number, Shell Size, Dimensions and Cable Range
Dash Shell
E Max
Envelope
F
Max
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
Min
Max
2.614 (66.4) 5.332 (135.4)
2.614 (66.4) 5.332 (135.4)
.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)
2.614 (66.4) 5.332 (135.4) 1.125 (28.6)
2.864 (72.7) 5.457 (138.6) .938 (23.8)
2.864 (72.7) 5.457 (138.6) 1.125 (28.6)
2.864 (72.7) 5.457 (138.6) 1.312 (33.3)
3.114 (79.1) 5.682 (144.3) 1.593 (40.5)
3.114 (79.1) 5.682 (144.3) 1.312 (33.3)
3.114 (79.1) 5.713 (145.1) 1.593 (40.5)
3.114 (79.1) 5.807 (147.5) 1.750 (44.5)
3.114 (79.1) 5.682 (144.3) 1.312 (33.3)
3.364 (85.4) 5.832 (148.1) 1.750 (44.5)
3.364 (85.4) 5.738 (145.7) 1.593 (40.5)
3.364 (85.4) 5.832 (148.1) 1.750 (44.5)
3.364 (85.4) 6.019 (152.9) 2.093 (53.2)
3.364 (85.4) 5.832 (148.1) 1.750 (44.5)
3.364 (85.4) 6.019 (152.9) 2.093 (53.2)
3.614 (91.8) 6.144 (156.1) 2.093 (53.2)
D
.812 (20.6) 1.188 (30.2)
.625 (15.9) .938 (23.8)
.812 (20.6) 1.188 (30.2)
.875 (22.2) 1.250 (31.8)
3.614 (91.8) 6.176 (156.9) 2.343 (59.5) 1.000 (25.4) 1.380 (35.1)
3.614 (91.8) 6.144 (156.1) 2.093 (53.2) .812 (20.6) 1.188 (30.2)
3.614 (91.8) 6.176 (156.9) 2.343 (59.5) 1.000 (25.4) 1.380 (35.1)
4.114 (104.5) 6.426 (163.2) 2.343 (59.5) 1.000 (25.4) 1.380 (35.1)
4.114 (104.5) 6.701 (170.2) 2.750 (69.9) 1.250 (31.8) 1.625 (41.3)
2.614 (66.4) 5.332 (135.4) 1.125 (28.6)
2.864 (72.7) 5.457 (138.6) 1.312 (33.3)
2.864 (72.7) 5.457 (138.6) 1.312 (33.3)
3.114 (79.1) 5.682 (144.3) 1.312 (33.3)
3.114 (79.1) 5.682 (144.3) 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)
TABLE I: Shell Size and Dimensions
C Dia
Max
Shell
Size
A Thread
Class 2B
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)
APPLICATION NOTES
1.
2.
3.
For complete dimensions see the applicable Military Specification.
Metric dimensions (mm) are in parentheses.
Cable Range is defined as the accommodation range for the wire bundle or
cable. Dimensions shown are not intended for inspection criteria.
1.875 - 16 UN
2.143 (54.4)
2.329 (59.2)
2.062 - 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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