AEROSPACE, DEFENSE & MARINE /// EN3645 CIRCULAR CONNECTORS
Reliable and Versatile Range of Connectors
for Harsh Environment Aerospace and Military
Applications
ACT AND DTS SERIES
CONNECTORS
EN3645 SPECIFICATION QUALIFIED
DEUTSCH
PAGE 2AEROSPACE, DEFENSE & MARINE /// EN3645 CIRCULAR CONNECTORS
DEUTSCH ACT and DTS Series – EN3645
CONTENTS
Introduction 03
Technical details 04/05
Part Numbering / EN3645 and DEUTSCH Commercial Version 06/08
Square Flange Receptacle / Type 20 09
Jam Nut Receptacle / Type 24 10
Plug / Type 26 11
Dummy Receptacle / Type PR 12
Mated/Unmated Dimensions 13
Recommended Panel 14
Keying Options 15
PAGE 3AEROSPACE, DEFENSE & MARINE /// EN3645 CIRCULAR CONNECTORS
RELIABLE
• Self-locking threaded coupling
• 100% scoop proof
• Contact retention system provides
excellent contact retention under
severe vibration
EMI PROTECTED
• Grounding fingers for excellent
EMI protection
• Metal-to-metal bottoming for
maximum EMI grounding protection
• Connector is grounded when the
shells meet, even before the contacts
are engaged
• Trapezoidal thread for excellent
shell-to-shell continuity
VERSATILE
• Variety of shell materials and finishes
• Wide range of backshells and
accessories
EN3645 Circular Connectors
DEUTSCH DTS SERIES ALUMINUM CONNECTORS
AND DEUTSCH DTS-K SERIES STAINLESS STEEL CONNECTORS
DEUTSCH ACT SERIES COMPOSITE CONNECTORS
DEUTSCH EN3645 Series subminiature circular connectors offer a scoop-proof
design for easy, reliable mating and a threaded coupling for excellent vibration
resistance. They are available in three families distinguished by shell materials.
DTS Series: Lightweight aluminum shells for environmentally sealed versions
and stainless steel for harsh environment.
ACT Series: Composite shells, offering a light weight and a high resistance to
corrosion.
Inserts are available in nine shell sizes, with contact arrangements meeting
EN3645-002.
Designed to Perform
1 High-quality silicone seals to help maximize tear resistance and sealing
memory
2 Self-locking threaded coupling
3 100% metal-to-metal bottoming for excellent EMI grounding protection
4 Triple-start threads
5 Grounding fingers providing excellent EMI protection
6 Elongated mounting holes for flexible mounting with standard EN3645 box
or wall mount receptacles
7 Contact retention system provides excellent contact retention under severe
vibration
DEUTSCH
ACT AND DTS SERIES CONNECTORS
1 65432
7
PAGE 4AEROSPACE, DEFENSE & MARINE /// EN3645 CIRCULAR CONNECTORS
DEUTSCH ACT and DTS Series – EN3645
EN3645 Circular Connectors
DEUTSCH DTS and ACT Series Connectors
Technical Details
MATERIALS
• Shell: Aluminum, composite, stainless steel
• Plating: Olive drab cadmium, electroless or electrodeposited nickel
• Insert: Thermoplastic and fluorinated silicone elastomer
• EMI Spring Fingers: Nickel or cadmium-plated beryllium copper
• O-Ring: Fluorinated silicone elastomer
ENVIRONMENTAL
• Temperature Range: -65°C to +175°C/+200°C depending on classes
• Fluid Resistance: Fluid immersion per EN3909
• Salt Spray:
48 hours (Nickel finishes)
500 hours (Cadmium and passivated finishes)
2000 hours (Composite)
• Thermal Cycling: -65° to 150/175/200°C (max. temperature is class dependent)
MECHANICAL
• Sine Vibration: Up to 60 g for 36 hr.
• Random Vibration: Up to 41.7 g for 16 hr. at 175° C
Up to 50 g for 16 hr. at ambient temperature
• Shock: 300 g, 3 ms in the 3 axes
• Durability: 500 mating cycles (1500 cycles for composite connectors)
• Contact Retention:
Size 22D: 44 N (10 lb.)
Size 20: 67 N (15 lb.)
Size 16: 111 N (25 lb.)
Size 12: 111 N (25 lb.)
Size 10: 111 N (25 lb.)
Size 8: 111 N (25 lb.)
ELECTRICAL
• Shell-to-Shell Conductivity:
1.0 mV (nickel finish)
2.5 mV (cadmium finish)
• Shielding Eectiveness: >90 dB at 100 MHz, >65 dB through 10 GHz
PAGE 5AEROSPACE, DEFENSE & MARINE /// EN3645 CIRCULAR CONNECTORS
DEUTSCH ACT and DTS Series – EN3645
EN3645 Circular Connectors
Voltage Rating
Contact Size Test Current (A) Voltage Drop (mV)
23 3 73
22D 5 73
20 7.5 55
16 13 50
12 23 42
10 33 34
8* 46 26
Shell Size Accessory Thread
(6g 0.100R)
Mating Thread
(0.1P-0.3L)
Jam Nut Thread
(6g 0.100R)
9 M12 x 1.0 .6250 M17 x 1.0
11 M15 x 1.0 .7500 M20 x 1.0
13 M18 x 1.0 .8750 M25 x 1.0
15 M22 x 1.0 1.0000 M28 x 1.0
17 M25 x 1.0 1.1875 M32 x 1.0
19 M28 x 1.0 1.2500 M35 x 1.0
21 M31 x 1.0 1.3750 M38 x 1.0
23 M34 x 1.0 1.5000 M41 x 1.0
25 M37 x 1.0 1.6250 M44 x 1.0
Thread Sizes
*When commercial power contact replaces twin-ax contact
Service
Rating
Suggested Operating Voltage Test Voltage at Altitude (VACrms)
VACrms VDC Sea Level 50,000 Ft. 70,000 Ft. 100,000 Ft.
M
400 550 1300 550 350 200
N
300 450 1000 400 260 200
I
600 850 1800 600 400 200
II
750 1050 2300 800 500 200
Current Rating
PAGE 6AEROSPACE, DEFENSE & MARINE /// EN3645 CIRCULAR CONNECTORS
DEUTSCH ACT and DTS Series – EN3645
EN3645 Circular Connectors
Part Numbering
EN3645 and DEUTSCH Commercial Versions
RANGE
EN3645 DTS ACT
FINISH
metal shells
F F -
K K -
W W -
composite
J-J
M-M
SHELL TYPE
0 20 20
7 24 24
6 26 26
CONTACT TYPE
(No change for Marking: A is
marking P and B is marking S)
M P P
F S S
AAA
BBB
SHELL SIZE
09(A), 11(B), 13(C), 15(D), 17(E), 19(F),
21(G), 23(H), 25(J)
KEYING POSITIONS
A, B, C, D, E, N = Normal
CAVITY TYPE
N Normal Cavity Type
L Polarized Cavity Type
INSERT ARRGT
EN3645
DTS
ACT
20
20
F
F
F
0 B
11
B
N
-
35
35
35
M
P
P
N
N
N
PAGE 7AEROSPACE, DEFENSE & MARINE /// EN3645 CIRCULAR CONNECTORS
DEUTSCH ACT and DTS Series – EN3645
EN3645 Circular Connectors
Part Numbering
EN3645 and DEUTSCH Commercial Versions
Insert Contact Size/Quantity
Commer-
cial Military Cavities
type
8
Quadrax
Size 8
Triaxial
contact
acc/ to
EN3155-
001
8 Triax 8 Coax 8
Power
12 Triax
Contact
acc/ to
EN3155-
001
12
Coax 10 12 16 20 22
09-07 A7 N 7
09-35 A35 N 6
09-98 A98 N 3
11-02 B2 N 2
11-04 B4 N 4
11-05 B5 N 5
11-35 B35 N 13
11-98 B98 N 6
11-99 B99 N 7
13-04 C4 N 4
13-08 C8 N 8
13-35 C35 N 22
13-98 C98 N 10
15-05 D5 N 5
15-15 D15 N 1 14
15-18 D18 N 18
15-19 D19 N 19
15-26 D26 N 2 24
15-35 D35 N 37
15-97 D97 N 4 8
17-03 E3 N 1 38
17-06 E6 N 6
17-08 E8 N 8
17-11 E11 N 2 1 8
17-19 E19 N 4 11 4
17-20 E20 N 16
17-22 E22 L 2
17-24 E24 N 2 2
17-26 E26 N 26
17-35 E35 N 55
17-99 E99 N 2 21
19-11 F11 N 11
19-19 F19 N 4 14
19-28 F28 N 2 26
AVAILABLE & QUALIFIED TO EN3645 STANDARD
AVAILABLE - NOT QUALIFIED PRODUCT
UNDER DEVELOPMENT - NOT QUALIFIED PRODUCT
(Contact us for availability)
PAGE 8AEROSPACE, DEFENSE & MARINE /// EN3645 CIRCULAR CONNECTORS
DEUTSCH ACT and DTS Series – EN3645
EN3645 Circular Connectors
Part Numbering
EN3645 and DEUTSCH Commercial Versions
Insert Contact Size/Quantity
Commer-
cial Military Cavities
type 8 Quadrax
Size 8 Triax-
ial contact
acc/ to
EN3155-001
8 Triax 8 Coax 8 Power
12 Triax
Contact
acc/ to
EN3155-001
12 Coax 10 12 16 20 22
19-32 F32 N 32
19-35 F35 N 66
21-11 G11 N 11
21-16 G16 N 16
21-20 G20 L 2
21-35 G35 N 79
21-39 G39 N 2 37
21-41 G41 N 41
21-48 G48 N 4
21-75 G75 N 4
21-75 G75 L 4
23-06 H6 L 6
23-21 H21 N 21
23-35 H35 N 100
23-53 H53 N 53
23-54 H54 L 4 4 49
23-55 H55 N 55
23-63 H63 N 4 4 49
25-04 J4 N 8 48
25-09 J9 N 2 97
25-19 J19 N 19
25-20 J20 N 3 4 13 10
25-24 J24 N 12 12
25-29 J29 N 29
25-35 J35 N 128
25-37 J37 N 37
25-43 J43 N 20 23
25-47 J47 N 2 4 40
25-61 J61 N 61
AVAILABLE & QUALIFIED TO EN3645 STANDARD
AVAILABLE - NOT QUALIFIED PRODUCT
UNDER DEVELOPMENT - NOT QUALIFIED PRODUCT
(Contact us for availability)
PAGE 9AEROSPACE, DEFENSE & MARINE /// EN3645 CIRCULAR CONNECTORS
DEUTSCH ACT and DTS Series – EN3645
EN3645 Circular Connectors
Square Flange Receptacle
Type 20
Square Flange
31.50
[1.240]
MAX.
12.95
[0.510]
MAX.
G
DE
B
C1
C2
B
P
PP
Jam Nut
32.50
[1.280]
MAX.
22.60
[0.890]
MAX.
G
F
E
B
M
Ø A
FGØS
31
[1.220]
Plug
12.95
[0.510]
MAX.
Shell
Size B C1 C2 D Max. E Max. F G P PP
Mass (g) by Shell Type
AI SS Composite
09 23.80
0.937
18.26
0.719
15.09
0.594
20.90
0.823
2.50
0.098
15.75
0.620
11.90
0.469
3.25
0.128
5.49
0.216 10 27 9
11 26.20
1.031
20.62
0.812
18.26
0.719
20.90
0.823
2.50
0.098
18.90
0.744
14.90
0.587
3.25
0.128
4.93
0.194 16 36 11
13 28.60
1.126
23.01
0.906
20.62
0.812
20.90
0.823
2.50
0.098
22.10
0.870
17.90
0.705
3.25
0.128
4.93
0.194 19 45 14
15 31.00
1.220
24.61
0.969
23.01
0.906
20.90
0.823
2.50
0.098
25.25
0.994
21.90
0.862
3.25
0.128
4.93
0.194 25 56 18
17 33.30
1.311
26.97
1.062
24.61
0.969
20.90
0.823
2.50
0.098
29.95
1.179
24.90
0.980
3.25
0.128
4.93
0.194 32 74 23
19 36.50
1.437
29.36
1.156
26.97
1.062
20.90
0.823
2.50
0.098
31.55
1.242
27.90
1.098
3.25
0.128
4.93
0.194 39 78 26
21 39.70
1.563
31.75
1.250
29.36
1.156
20.10
0.791
3.20
0.126
34.70
1.366
30.90
1.217
3.25
0.128
4.93
0.194 45 95 31
23 42.90
1.689
34.93
1.375
31.75
1.250
20.10
0.791
3.20
0.126
37.90
1.492
33.90
1.335
3.91
0.154
6.15
0.242 54 108 36
25 46.00
1.811
38.10
1.500
34.93
1.375
20.10
0.791
3.20
0.126
41.10
1.618
36.90
1.453
3.91
0.154
6.15
0.242 59 120 43
Millimeters Inches
PAGE 10AEROSPACE, DEFENSE & MARINE /// EN3645 CIRCULAR CONNECTORS
DEUTSCH ACT and DTS Series – EN3645
EN3645 Circular Connectors
Jam Nut Receptacle
Type 24
Square Flange 31.50
[1.240]
MAX.
12.95
[0.510]
MAX.
G
DE
B
C1
C2
B
P
PP
Jam Nut
32.50
[1.280]
MAX.
22.60
[0.890]
MAX.
G
F
E
B
M
Ø A
FGØS
31
[1.220]
Plug
12.95
[0.510]
MAX.
Shell
Size A B E F G M Max.
Mass (g) by Shell Type
AI SS Composite
09 30.20
1.189
27.00
1.063
2.20
0.087
15.75
0.620
11.90
0.469
24.00
0.945 15 40 11
11 34.90
1.374
31.80
1.252
2.20
0.087
18.90
0.744
14.90
0.587
27.00
1.063 21 50 14
13 38.10
1.500
34.90
1.374
2.20
0.087
22.10
0.870
17.90
0.705
32.00
1.260 27 60 18
15 41.30
1.626
38.10
1.500
2.20
0.087
25.25
0.994
21.90
0.862
36.00
1.417 32 72 23
17 44.50
1.752
41.30
1.626
2.20
0.087
29.95
1.179
24.90
0.980
37.00
1.457 40 92 29
19 49.20
1.937
46.00
1.811
3.00
0.118
31.55
1.242
27.90
1.098
41.00
1.614 49 96 35
21 52.40
2.063
49.20
1.937
3.00
0.118
34.70
1.366
30.90
1.217
46.00
1.811 54 114 38
23 55.60
2.189
52.40
2.063
3.00
0.118
37.90
1.492
33.90
1.335
50.00
1.969 65 130 46
25 58.70
2.311
55.60
2.189
3.00
0.118
41.10
1.618
36.90
1.453
51.23
2.017 73 143 55
Millimeters Inches
PAGE 11AEROSPACE, DEFENSE & MARINE /// EN3645 CIRCULAR CONNECTORS
DEUTSCH ACT and DTS Series – EN3645
EN3645 Circular Connectors
Plug
Type 26
FGØS
31
[1.220]
Plug
Shell
Size F Max. G S Max.
Mass (g) by Shell Type
AI SS Composite
09 18.40
0.724
11.90
0.469
21.80
0.858 15 36 9
11 21.10
0.831
14.90
0.587
25.00
0.984 20 50 13
13 25.40
1.000
17.90
0.705
29.40
1.157 27 64 18
15 28.70
1.130
21.90
0.862
32.50
1.280 34 80 23
17 32.20
1.268
24.90
0.980
35.70
1.406 37 88 25
19 34.90
1.374
27.90
1.098
38.50
1.516 48 102 32
21 38.10
1.500
30.90
1.217
41.70
1.642 55 117 35
23 41.10
1.618
33.90
1.335
44.90
1.768 67 131 41
25 44.30
1.744
36.90
1.453
48.00
1.890 71 145 48
Shell
Size
Engagement and
Disengagement
(Max.)
Minimum
Disengagement
Nm Lb.-in. Nm Lb.-in.
09 0.9 8
0.2 211 1.4 12
13 1.8 16
15 2.3 20
0.3 317 2.7 24
19 3.2 28
21 3.6 32
0.6 523 4.1 36
25 4.6 40
Millimeters Inches
COUPLING TORQUE:
PLUG TO RECEPTACLE
PAGE 12AEROSPACE, DEFENSE & MARINE /// EN3645 CIRCULAR CONNECTORS
DEUTSCH ACT and DTS Series – EN3645
EN3645 Circular Connectors
Dummy Receptacle
Type PR
B
B
C
C
ØT
ØH
E
e
le
PP
P
B
B
E
F
DC1
C2
12.95
[0.510]
Max.
E1 MAX.
Shell
Size B C1 C2 D Max. E Max. F G P PP
Mass (g) by Shell Type
AI SS Composite
09 23.80
0.937
18.26
0.719
15.09
0.594
20.90
0.823
2.50
0.098
15.73
0.619
3.25
0.128
5.49
0.216
5.49
0.216 7 10 8
11 26.20
1.031
20.62
0.812
18.26
0.719
20.90
0.823
2.50
0.098
18.91
0.744
3.25
0.128
4.93
0.194
4.93
0.194 11 16 11
13 28.60
1.126
23.01
0.906
20.62
0.812
20.90
0.823
2.50
0.098
22.08
0.869
3.25
0.128
4.93
0.194
4.93
0.194 15 22 14
15 31.00
1.220
24.61
0.969
23.01
0.906
20.90
0.823
2.50
0.098
25.26
0.994
3.25
0.128
4.93
0.194
4.93
0.194 18 31 18
17 33.30
1.311
26.97
1.062
24.61
0.969
20.90
0.823
2.50
0.098
29.96
1.180
3.25
0.128
4.93
0.194
4.93
0.194 22 46 23
19 36.50
1.437
29.36
1.156
26.97
1.062
20.90
0.823
2.50
0.098
31.54
1.242
3.25
0.128
4.93
0.194
4.93
0.194 26 51 26
21 39.70
1.563
31.75
1.250
29.36
1.156
20.10
0.791
3.20
0.126
34.72
1.367
3.25
0.128
4.93
0.194
4.93
0.194 30 65 31
23 42.90
1.689
34.93
1.375
31.75
1.250
20.10
0.791
3.20
0.126
37.90
1.492
3.91
0.154
6.15
0.242
6.15
0.242 33 78 36
25 46.00
1.811
38.10
1.500
34.93
1.375
20.10
0.791
3.20
0.126
41.07
1.617
36.90
1.453
3.91
0.154
6.15
0.242 36 97 43
Millimeters Inches
PAGE 13AEROSPACE, DEFENSE & MARINE /// EN3645 CIRCULAR CONNECTORS
DEUTSCH ACT and DTS Series – EN3645
EN3645 Circular Connectors
Mated/Unmated Dimensions
SQUARE FLANGE RECEPTACLE
TO PLUG
JAM NUT RECEPTACLE
TO PLUG
Plug
Type 26
38.80
[1.528]
MAX.
53.05
[2.089]
MAX.
8.75
[0.344]
MAX.
11.90
[0.469]
MAX.
49.85
[1.963]
MAX.
35.60
[1.402]
MAX.
3.20
[0.126]
MAX.
Front Mount
Plug
Type 26
Square Flange
Receptacle
Type 20
Rear Mount
Square Flange
Receptacle
Type 20
51.30
[2.020]
MAX.
10.75
[0.423]
MAX.
37.05
[1.459]
MAX.
2.30 to 3.10
[0.091 to 0.122]
1.58 to 3.20
[0.062 to 0.126]
Jam Nut
Receptacle
Type 24
Plug
Type 26
Plug
Type 26
38.80
[1.528]
MAX.
53.05
[2.089]
MAX.
8.75
[0.344]
MAX.
11.90
[0.469]
MAX.
49.85
[1.963]
MAX.
35.60
[1.402]
MAX.
3.20
[0.126]
MAX.
Front Mount
Plug
Type 26
Square Flange
Receptacle
Type 20
Rear Mount
Square Flange
Receptacle
Type 20
51.30
[2.020]
MAX.
10.75
[0.423]
MAX.
37.05
[1.459]
MAX.
2.30 to 3.10
[0.091 to 0.122]
1.58 to 3.20
[0.062 to 0.126]
Jam Nut
Receptacle
Type 24
Plug
Type 26
Plug
Type 26
38.80
[1.528]
MAX.
53.05
[2.089]
MAX.
8.75
[0.344]
MAX.
11.90
[0.469]
MAX.
49.85
[1.963]
MAX.
35.60
[1.402]
MAX.
3.20
[0.126]
MAX.
Front Mount
Plug
Type 26
Square Flange
Receptacle
Type 20
Rear Mount
Square Flange
Receptacle
Type 20
51.30
[2.020]
MAX.
10.75
[0.423]
MAX.
37.05
[1.459]
MAX.
2.30 to 3.10
[0.091 to 0.122]
1.58 to 3.20
[0.062 to 0.126]
Jam Nut
Receptacle
Type 24
Plug
Type 26
PAGE 14AEROSPACE, DEFENSE & MARINE /// EN3645 CIRCULAR CONNECTORS
DEUTSCH ACT and DTS Series – EN3645
EN3645 Circular Connectors
Recommended Panel
V1
ØH
V
C1
C1
K
Square Flange Receptacle
(Type 20)
Jam Nut Receptacle
(Type 24)
ØH1
1.58 - 3.20
[0.062 - 0.126]
3.20
[0.126]
MAX.
Recommended Panel Thickness
Recommended Panel Cutouts
3.20
[0.126]
MAX.
3.18
[0.125]
MAX.
Drawings below are not needed
A
Same drawings for pages 43 and 56
Shell Size A C1
H Min.
H1 Max. K Max. V Min. V1 Min.
Front Rear
9
3.25
0.128
18.26
0.719
13.11
0.516
16.66
0.656
17.78
0.700
16.70
0.657
25.58
1.007
20.20
1.189
11 20.62
0.812
15.08
0.594
22.22
0.875
20.88
0.822
19.53
0.769
27.00
1.063
32.60
1.283
13 23.01
0.906
19.05
0.750
23.42
0.922
25.58
1.007
24.26
0.995
30.20
1.189
36.00
1.417
15 24.61
0.969
23.01
0.906
26.59
1.047
28.80
1.134
27.53
1.084
33.30
1.331
39.60
1.559
17 26.97
1.062
25.81
1.106
30.96
1.219
31.98
1.259
30.68
1.208
36.50
1.437
43.30
1.705
19 29.36
1.156
28.98
1.141
32.94
1.297
35.15
1.384
33.86
1.333
39.30
1.547
47.0 0
1.850
21 31.75
1.250
32.16
1.266
36.12
1.422
38.28
1.507
37.06
1.459
42.50
1.673
50.60
1.992
23 3.91
0.154
34.93
1.375
34.93
1.375
39.29
1.547
41.50
1.634
40.01
1.575
45.70
1.799
54.20
2.134
25 38.10
1.500
37.69
1.484
42.47
1.672
44.68
1.759
43.41
1.709
48.80
1.921
59.70
2.350
Millimeters Inches
PAGE 15AEROSPACE, DEFENSE & MARINE /// EN3645 CIRCULAR CONNECTORS
DEUTSCH ACT and DTS Series – EN3645
EN3645 Circular Connectors
Keying Options
(Viewed from Mating Face of the Receptacle Connector)
Shell Size Key
Position
Polarization (Degrees)
A B C D
09
N 105 140 215 265
A 102 132 248 320
B 80 118 230 312
C 35 140 205 275
D 64 155 234 304
E 91 131 197 240
11, 13, 15
N 95 141 208 236
A 113 156 182 292
B 90 145 195 252
C 53 156 220 255
D 119 146 176 298
E 51 141 184 242
17, 19, 21, 23,
25
N 80 142 196 293
A 135 170 200 310
B 49 169 200 244
C 66 140 200 257
D 62 145 180 280
E 79 153 197 272
te.com/EN3645
AMP, AGASTAT, CII, DEUTSCH, HARTMAN, KILOVAC, MICRODOT, NANONICS, POLAMCO, Raychem, SEACON,
TE, TE Connectivity and the TE connectivity (logo) are trademarks of TE Connectivity. Other products, logos, and
company names mentioned herein may be trademarks of their respective owners.s.
While TE Connectivity (TE) has made every reasonable eort to ensure the accuracy of the information herein,
nothing herein constitutes any guarantee that such information is error-free, or any other representation, warranty
or guarantee that the information is accurate, correct, reliable or current. The TE entity issuing this publication
reserves the right to make any adjustments to the information contained herein at any time without notice. All
implied warranties regarding the information contained herein, including, but not limited to, any implied warranties
of merchantability or fitness for a particular purpose are expressly disclaimed. The dimensions herein are for
reference purposes only and are subject to change without notice. Specifications are subject to change without
notice.
Consult TE for the latest dimensions and design specifications.
© 2018 TE Connectivity. All Rights Reserved.
2339711-1 08/2018
AEROSPACE, DEFENSE & MARINE /// EN3645 CIRCULAR CONNECTORS
LET’S CONNECT
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