2M Environmental EMI Backshell Ordering Info
2M390MS077, MS076, 2M390MB077, 2M390MA077
Contacts
& Tools
2M Specs
2M390MX07X
Part Number
Service Class
M
Size Code
07
Cable Entry Size
05
Length
-6
Options
N
Omit for screw clamp
with saddle bars
N Optional Compression Nut,
Low Profile
LENGTH
2M801
PART NUMBER
2M390MS077
Straight
Entry
Rotatable
Coupling
Straight
Entry,
Direct
Coupling
45° Entry
Rotatable
Coupling
90° Entry
Rotatable
Coupling
SIZE CODE
05
.2500-32
06
.3125-32
11
.3750-32
07
.4375-28
08
.5000-28
09
.5625-24
10
.6250-24
12
.6875-24
13
.7500-20
14
.9375-20
17
1.1875-18
CABLE ENTRY SIZE
Code
01
02
03
04
05
06
07
08
09
10
11
Max.
.109
.172
.234
.297
.359
.422
.484
.547
.609
.672
.734
Min.
.031
.078
.140
.203
.265
.328
.390
.463
.515
.578
.640
Straight Entry 2M390MS Only
Length Code
Length (inches)
.625
-5
.750
-6
-7
-8
-9
-10
-11
-12
-13
-14
-15
-16
-17
-18
-19
.875
1.000
2M803
2M390MS076
2M804
2M390MB077
1.125
1.250
1.375
1.500
1.625
1.750
1.875
2.000
2.125
2.250
2.375
2M390MA077
2M805
SERVICE CLASS
Finish
C
M
NF
MT
Z1
ZM
ZN
ZNU
pheno
l
Am
pheno
l
Am
pheno
l
Am
HS
Ro
2M Filter &
Accessories
U
HS
Ro
U
E
/2
002
/
95
/
Aluminum/Black Anodize
(Non-Conductive)
Aluminum/Electroless Nickel
Aluminum/Cadmium with Olive
Drab Chromate
E
/2
002
/
95
/
C
E
pheno
l
Am
HS
Ro
U
E
/2
002
/
95
/
2.500
-20
Specify Length in
increments of .125
inches (3.18 mm.)
C
C
E
/2
002
/
95
/
C
E
/2
002
/
95
/
C
E
/2
002
/
95
/
C
E
/2
002
/
95
/
C
E
/2
002
/
95
/
C
Adapter,
Clamp,
Nut and
Saddles
O-Rings
Hardware
E
E
E
E
E
E
E
HS
Ro
U
Aluminum/Nickel-PTFE (Durmalon)
Stainless Steel/Passivated
Stainless Steel/Electroless Nickel
Aluminum/Zinc-Nickel w/Olive
Drab Chromate
Aluminum/Zinc-Nickel with Black
Chromate
Shell Size
Accessory Thread
.2500-32 UNEF-2B
.3125-32 UNEF-2B
.3750-32 UNEF-2B
.4375-28 UNEF-2B
.5000-28 UNEF-2B
.5625-24 UNEF-2B
.6250-24 UNEF-2B
.6875-24 UNEF-2B
.7500-20 UNEF-2B
.9375-20 UNEF-2B
1.1875-18 UNEF-2B
Size
Code
05
06
11
07
08
09
10
12
13
14
17
16,17
21
14, 15
14, 15
7
8
9
10
13
7
8
9
10
12
7
8
9
10
12
15
18, 19
23
Series
2M801
5
6
Series
2M803
5
6
Series
2M804
5
6
8
9
10
11
12
Series
2M805
HD38999
pheno
l
Am
HS
Ro
U
pheno
l
Am
HS
Ro
U
pheno
l
Am
HS
Ro
Micro-D
U
pheno
l
Am
HS
Ro
U
SERIES
Aluminum Alloy
6061-T6 or 300
Series Stainless
Steel
Silicone Rubber
Terrapin
300 Series
Stainless Steel
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
135
Nexus
2M Environmental EMI Backshell
2M390MS077, MS076, MB077 & MA077
Contacts
& Tools
STRAIGHT ENTRY
ROTATABLE COUPLING
2M390MS077
LENGTH
A THREAD
O-RING
.860
21.84
REF
A THREAD
STRAIGHT ENTRY
DIRECT COUPLING
2M390MS076
LENGTH
O-RING
.860
21.84
REF
.58
14.7
REF
CLAMP STYLE N
COMPRESSION NUT
2M Specs
2M801
B
MAX
TYP
C
MAX
K
2M803
45º ENTRY
ROTATABLE COUPLING
2M390MB077
D
90º ENTRY
ROTATABLE COUPLING
2M390MA077
F
2M804
E
Size
Code
A Threads
UNEF-2B
.2500-32
.3125-32
.3750-32
.4375-28
.5000-28
.5625-24
.6250-24
.6875-24
.7500-20
.9375-20
1.1875-18
B Max.
in.
.470
.530
.570
.637
.700
.758
.819
.896
.930
1.137
1.387
mm.
11.94
13.46
14.48
16.18
17.78
19.25
20.80
22.76
23.62
C Max.
in.
.350
.415
.465
.530
.595
.650
.715
.785
.830
mm.
8.89
10.54
11.68
13.46
15.11
16.51
18.16
19.94
21.08
25.91
32.51
2M805
G
05
06
11
07
08
09
10
12
13
14
17
2M Filter &
Accessories
SADDLE CLAMP
28.88 1.020
35.23 1.280
HD38999
CABLE
SEALING
DIA.
H
Cable
Sealing
Dia.
CABLE ENTRY
H
D Max.
In.
mm.
E Max.
in.
681
.681
.681
.707
.707
.733
.733
.785
.785
mm.
F Max.
in.
mm.
G Max.
in.
.802
.802
.802
.864
.864
.926
.926
.989
.989
mm.
20.37
20.37
20.37
21.95
21.95
23.52
23.52
25.12
25.12
in.
± .010
.496
.582
.656
.726
.885
.952
1.018
1.084
1.148
mm.
± 0.25
12.60
14.78
16.66
18.44
22.48
24.18
25.86
27.53
29.16
J Dia. Closed
in.
± .030
.110
.170
.230
.300
.360
.420
.480
.550
.610
mm.
± 0.76
2.79
4.32
5.84
7.62
9.14
10.67
12.19
13.97
15.49
K Dia.
in.
± .010
.398
.460
.523
.585
.647
.710
.773
.835
.897
mm.
± 0.25
10.11
11.68
13.28
14.86
16.43
18.03
19.63
21.21
22.78
Micro-D
J
CLOSED
Cable
Entry
Code Max. Min.
01 .109 .031
02 .172 .078
.603 15.32
.603 15.32
.603 15.32
.629 15.98
.629 15.98
.655 16.64
.655 16.64
.707 17.96
.707 17.96
14.67 .724 18.39
14.67 .724 18.39
14.67 .724 18.39
15.42 .786 19.96
15.42 .786 19.96
16.00 .848 21.54
16.00 .848 21.54
17.40 .911 23.14
17.40 .911 23.14
Terrapin
03 .234 .140
04 .297 .203
05 .359 .265
06 .422 .328
07 .484 .390
Nexus
08 .547 .453
09 .609 .515
136
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
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