Electrical Connectors
E
F
F
MIL-DTL-28840
Military
Designator
M28840/8
90° EMI/RFI Environmental Backshell
Style Designator
Dash Number
A
- EMI / Environmental
B
- Environmental
M28840/8
16
W
A
Material and Finish Designator
W
- Aluminum, Cadmium Plate,
Olive Drab over Electroless Nickel
D
- Corrosion Resistant Steel,
Cadmium Plate, Black
A Thread
E
A Thread
E
C
C
Cable
Range
G
Cable
Range
G
BACKSHELL STYLE B
BACKSHELL STYLE A
Dimensions in Inches (millimeters) are subject to change without notice.
© 2011 Glenair, Inc.
U.S. CAGE Code 06324
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-12
E-Mail: sales@glenair.com
M28840/8
90° EMI/RFI Environmental Backshell
Backshell
Size
A
A
B
A
B
C
D
A
B
C
A
B
A
B
C
A
B
C
D
A
B
Dash
Number
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
Designator
A
Thread Class 2B
.750-20 UNEF
.875-20 UNEF
B Max.
Diameter
1.028 (26.11)
1.141 (28.98)
C
Max.
Diameter
D
Max.
Diameter
A (11)
B (13)
B (13)
C (15)
C (15)
C (15)
C (15)
D (17)
D (17)
D (17)
E (19)
E (19)
F (23)
F (23)
F (23)
G (25)
G (25)
G (25)
G (25)
H (29)
H (29)
1.188 (30.17)
1.031 (26.19)
1.00-20 UNEF
1.263 (32.08)
1.438 (36.52)
1.156 (29.36)
1.125-18 UNEF
1.387 (35.23)
1.688 (42.87)
1.281 (32.54)
E
1.250-18 UNEF
1.513 (38.43)
1.438-18 UNEF
1.703 (43.51)
1.938 (49.22)
1.406 (35.71)
1.562-18 UNEF
1.825 (46.35)
2.188 (54.43)
1.875-16 UN
2.143 (54.43)
1.531 (38.89)
Dimensions in Inches (millimeters) are subject to change without notice.
© 2011 Glenair, Inc.
U.S. CAGE Code 06324
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-13
E-Mail: sales@glenair.com
Electrical Connectors
MIL-DTL-28840
Electrical Connectors
E
MIL-DTL-28840
Backshell
Size
A
A
B
A
B
C
D
A
B
C
A
B
A
B
C
A
B
C
D
A
B
Dash
Number
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
Designator
Max.
A (11)
B (13)
B (13)
C (15)
C (15)
C (15)
C (15)
D (17)
D (17)
D (17)
E (19)
E (19)
F (23)
F (23)
F (23)
G (25)
G (25)
G (25)
G (25)
H (29)
H (29)
.312 (7.92)
.312 (7.92)
.438 (11.12)
.312 (7.92)
.438 (11.12)
.562 (14.27)
.750 (19.05)
.625 (15.87)
.750 (19.05)
.938 (23.82)
.625 (15.87)
.938 (23.82)
.750 (19.05)
.938 (23.82)
1.188 (30.17)
.938 (23.82)
1.188 (30.17)
1.250 (31.75)
1.188 (30.17)
© 2011 Glenair, Inc.
M28840/8
90° EMI/RFI Environmental Backshell
Cable Range
E Max. Dim.
Min.
.188 (4.77)
.188 (4.77)
.281 (7.14)
.188 (4.77)
.281 (7.14)
.344 (8.74)
.438 (11.12)
.375 (9.82)
.438 (11.12)
.625 (15.87)
.375 (9.52)
.625 (15.87)
.438 (11.12)
.625 (15.87)
.812 (20.62)
.625 (15.87)
.812 (20.62)
.875 (22.23)
1.000 (25.40)
.812 (20.62)
1.000 (25.40)
1.531 (38.89)
1.406 (35.71)
1.531 (38.89)
1.406 (25.71)
1.531 (38.89)
1.781 (45.24)
1.531 (38.89)
1.781 (45.24)
2.156 (54.76)
1.781 (45.24)
2.156 (54.76)
3.364 (85.45)
1.406 (35.71)
3.114 (79.10)
1.281 (32.54)
2.864 (72.75)
1.156 (29.36)
2.614 (66.40)
.625-24 UNEF
.625-24 UNEF
.750-20 UNEF
.625-24 UNEF
.750-20 UNEF
.875-20 UNEF
1.188-18 UNEF
1.000-20 UNEF
1.188-18 UNEF
1.438-18 UNEF
1.00-20 UNEF
1.438-18 UNEF
1.188-18 UNEF
1.438-18 UNEF
1.750-18 UNEF
1.438-18 UNEF
1.750-18 UNS
2.000-16 UNS
1.750-18 UNS
2.000-18 UNS
F Max. Dim.
V Thread Class 2
1.380 (35.05)
3.614 (91.80)
1.380 (35.05)
Dimensions in Inches (millimeters) are subject to change without notice.
U.S. CAGE Code 06324
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-14
E-Mail: sales@glenair.com
M28840/8
90° EMI/RFI Environmental Backshell
Backshell
Size
A
A
B
A
B
C
D
A
B
C
A
B
A
B
C
A
B
C
D
A
B
Dash
Number
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
Designator
X
Ref.
Dimension
Y
Ref.
Dimension
.938 (23.82)
.938 (23.82)
1.125 (28.57)
H
Max.
Style A
5.332 (134.43)
5.332 (134.43)
5.332 (134.43)
5.457 (138.61)
5.457 (138.61)
5.457 (138.61)
5.682 (144.32)
5.682 (144.32)
5.713 (145.11)
5.807 (147.50)
5.682 (144.32)
5.832 (148.13)
5.738 (145.28)
5.832 (148.13)
6.019 (152.88)
5.832 (148.13)
6.019 (152.88)
6.144 (156.06)
6.176 (156.87)
6.144 (156.06)
6.176 (156.87)
N
Max.
Style B
2.962 (75.23)
2.962 (75.23)
2.962 (75.23)
3.087 (78.41)
3.087 (78.41)
3.087 (78.41)
3.312 (84.12)
3.312 (84.12)
3.343 (84.91)
3.437 (87.30)
3.312 (84.12)
3.462 (87.93)
3.368 (85.55)
3.462 (87.93)
3.649 (92.68)
3.462 (87.93)
3.649 (92.68)
3.774 (95.86)
3.806 (96.62)
3.774 (95.86)
3.806 (96.62)
A (11)
B (13)
B (13)
C (15)
C (15)
C (15)
C (15)
D (17)
D (17)
D (17)
E (19)
E (19)
F (23)
F (23)
F (23)
G (25)
G (25)
G (25)
G (25)
H (29)
H (29)
1.312 (33.32)
1.406 (35.71)
1.281 (32.54)
1.406 (35.71)
1.312 (33.32)
1.406 (35.71)
1.593 (40.46)
1.406 (35.71)
1.593 (40.46)
1.593 (40.46)
1.625 (41.28)
1.593 (40.46)
1.625 (41.28)
1.281 (32.54)
.938 (23.82)
1.125 (28.57)
1.312 (33.32)
1.593 (40.62)
1.312 (33.32)
1.593 (40.62)
1.750 (44.45)
1.312 (33.32)
1.750 (44.45)
1.593 (40.62)
1.750 (44.45)
2.093 (53.16)
1.750 (44.45)
2.093 (53.16)
2.093 (53.16)
2.343 (59.51)
2.093 (53.16)
2.343 (59.51)
E
Dimensions in Inches (millimeters) are subject to change without notice.
© 2011 Glenair, Inc.
U.S. CAGE Code 06324
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-15
E-Mail: sales@glenair.com
Electrical Connectors
MIL-DTL-28840
Electrical Connectors
E
MIL-DTL-28840
Backshell
Size
A
A
B
C
C
D
E
Dash
Number
22
23
24
25
26
27
28
Designator
J (33)
J (33)
A (11)
A (11)
B (13)
B (13)
C (15)
Backshell
Size
A
A
B
C
C
D
E
Dash
Number
22
23
24
25
26
27
28
Designator
Max.
J (33)
J (33)
A (11)
A (11)
B (13)
B (13)
C (15)
1.380 (35.05)
1.625 (41.26)
.438 (11.12)
.562 (14.27)
.562 (14.27)
.625 (15.87)
.625 (15.87)
Backshell
Size
A
A
B
C
C
C
B
Dash
Number
22
23
24
25
26
27
28
Designator
J (33)
J (33)
A (11)
A (11)
B (13)
B (13)
C (15)
© 2011 Glenair, Inc.
M28840/8
90° EMI/RFI Environmental Backshell
A
Thread
Class 2B
B
Max. Diameter
C
Max. Diameter
D
Max. Diameter
2.062-16 UNS
2.329 (59.16)
2.688 (68.26)
1.781 (45.24)
1.188 (30.17)
.750-20 UNEF
1.028 (26.11)
1.438 (36.52)
.875-20 UNEF
1.141 (28.98)
1.688 (42.87)
1.000-20 UNEF
1.263 (32.08)
1.031 (26.19)
1.156 (29.36)
1.281 (32.54)
Cable Range
Min.
1.000 (25.40)
E
Max.
Dimensions
F
Max.
Dimensions
V
Thread
Class 2
2.000-18 UNS
2.281 (57.94)
1.250 (31.75)
.281 (7.14)
.344 (8.74)
1.281 (32.54)
.344 (8.74)
.375 (9.52)
1.406 (35.71)
.375 (9.50)
1.156 (29.36)
4.114 (104.50)
2.250-16 UNS
2.614 (66.40)
.750-20 UNEF
2.864 (72.75)
.875-20 UNEF
3.114 (79.10)
1.000-20 UNEF
X
Ref.
Dimensions
1.625 (41.28)
1.900 (48.26)
Y
Ref.
Dimensions
2.343 (59.51)
2.750 (59.85)
1.125 (28.57)
H
Max.
Style A
6.426 (163.22)
6.701 (170.21)
5.332 (135.43)
5.457 (138.61)
N
Max.
Style B
4.056 (103.02)
4.33 (110.01)
2.962 (75.23)
3.087 (78.41)
3.087 (78.41)
3.312 (84.12)
3.312 (84.12)
1.281 (32.54)
1.312 (33.32)
5.457 (138.61)
5.682 (144.32)
5.682 (144.32)
Dimensions in Inches (millimeters) are subject to change without notice.
U.S. CAGE Code 06324
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-16
E-Mail: sales@glenair.com