Designed to meet the harshest military requirements where high power
and shielding are needed.
38999 Series III
High Power Contacts
38999 High Power (up to 850 A)
3 aluminum shell sizes available
Size 19 (450 A max); size 23 (650 A max); size 25
(850 A max) - at 40°C
Finishes: cadmium or zinc nickel
Threaded coupling
Superior contact technology
equipped with a silver plated braid
No micro disconnect under vibration
High contact endurance
Low contact resistance
Modular design for easy
installation
Removable backshell: straight, right angle or threaded
contact
Backshell termination: shrink boot
Possible to crimp various cables (Ø from 50 to185mm)
Safety Pin contact is equipped with a plastic cap to prevent
electrical shock
Recessed engagement point to prevent electric arc
during mating/unmating
38999 Series III
High Power Contacts
2
Description
• Threaded coupling connector with single
power contact.
• Aluminum shell.
• 3 shell sizes available:
- size 19: Up to 450 A at 40°C
- size 23: Up to 650 A at 40°C
- size 25: Up to 850 A at 40°C
• Silver plated contact.
• Pin contact is equipped with a plastic cap to
prevent electrical shock.
• Modular design:
. Removable backshell: straight, right angle
or threaded contact.
. Backshell termination: shrink boot.
• Connector rating
Technical features
Mechanical
• Shell: Aluminum alloy
• Shell plating:
Black zinc nickel (Z)
Cadmium olive drab (W)
• Insulator: Thermoplastic
• Grommet and interfacial seal:
Silicone elastomer
• Contact body: Copper alloy
• Endurance:
500 mating/unmating operations
• Vibration:
According Def Stan 00-35
4.2 g rms vert - 6h/3 axes
Electrical
• Test voltage
> 1500 V
• Shell to shell continuity (no backshell)
< 2.5 mΩ
• EMI
85 dB @ 1GHz (F)
Resistance to fluids
• According to MIL-DTL-38999 standard
. Gasoline: JP5 (OTAN F44)
. Mineral hydrolic fluid: MIL-H-5606
(OTAN H515)
. Synthetic hydraulic fluid: Skydrol 500 B4
• LD4 (SAE AS 1241)
. Mineral lubricating: MIL-L-7870A
(OTAN 0142)
. Synthetic lubricating: MIL-L-23699
(OTAN 0156), MIL-L-7808
. Cleaning fluid: MIL-DTL-25769 diluted
. De-icing fluid: MIL-A-8243
. Extinguishing fluid: Chlorobrométhane
. Cooling fluid: Coolanol
Climatics
• Temperature range:
-65°C +175°C
• Sealing:
IP67 on mated connector (1 meter/30 min)
• Salt spray:
500 hours
Example for 500A:
Shell size 25 with contact diameter 20: max temperature 135°C; recommended 120°C
Shell size 23 with contact diameter 18: max temperature 90°C; recommended 80 °C
Shell size 19 with contact diameter 14: not recommended
Wire must be compatible with current and temperature used for the connector.
200°C
160°C
120°C
80°C
40°C
0
0 200A 400A 600A 800A 1000A
500A
Size 23
Size 23
Size 19
Size 19
Size 25
Size 25
- Max temperature use
- Recommended use
38999 Series III
High Power Contacts
3
Description
D1: Straight backshell shrink
boot & EMI (crimp version)
R1: Right angle backshell shrink
boot & EMI (crimp version)
Backshell type
W0: Without backshell
(threaded termination)
Contact layouts
H1
19
H1
23
H1
25
G0: Backshell low profile
(threaded termination)
Other size: Please consult us.
38999 Series III
High Power Contacts
4
Basic Series 8D 0 25 WH1 P N R1 A
Style:
0: Square flange receptacle
5: Plug (available with backshell D1, R1, G0 & W0 Types)
7: Jam nut receptacle
Shell size:
19, 23, 25
Plating:
Z: Zinc Nickel
W: Olive green cadmium
H1: Single power
Contact style:
P: Pin contact
S: Socket contact
Orientation:
N, A, B, C, D, E
Backshell type:
D1: Straight backshell shrink boot & EMI (crimp version)
R1: Right angle backshell shrink boot & EMI (crimp version)
G0: Backshell low profile (threaded termination)
W0: Without backshell (threaded termination)
Specication for backshells D1 & R1 Types (crimp version):
Specication for backshells G0 & W0 Types (only threaded termination):
Note: Plug not available with backshell W0 Type. Other thread, please consult us.
Ordering information
Note: For other configuration, please consult us.
Specification Shell size Thread
C19, 23 & 25 M 12
Specification Shell size Admissible cable (mm) Barrel diameter
(mm ±0.05)
Outer Ø max Nominal core Ø
A19 17 10.15 10.8
B19 17 11.1 11.8
C19 17 12 12.5
D23 22 14.05 15
E23 22 16.3 17
25 26.5
F25 26.5 19 20.5
38999 Series III
High Power Contacts
5
Dimensions
Plug & receptacles
8D5 Plug 8D7 Jam nut receptacle
ØG
F
H
ØJ
C
B
E
D
A
8D0 Square flange receptacle
Shell size A±0.1 B±0.1 C±0.1 D±0.1 E±0.1 F Max ØG Max H±0.25 ØJ±0.25
19 36.5 26.97 29.36 3.29 4.98 41 38.5 45.95 49.15
23 42.9 31.75 34.93
3.96 6.2
47 44.9 52.35 55.55
25 46 34.93 38.1 52 48 55.55 58.65
Note: All dimensions are in millimeters (mm)
Backshell D1 type
Shell size A Max B Max ØC±0.1 ØD±0.1 E±0.1 F±0.2 G±0.2 H Max K Max M±0.25 N Max P Max
19
2.65
20.9 25.6 31.3 2.26
12 4 62.5 62 3.25 22.8 6323 20.1 32.4 38.1 2.97
25 35.6 41.3
G
F
ØC
ØD
B
H
G
F
K
GF
M
P
N
ØC
ØD
ØC
ØD
AA
E
With 8D5
(plug)
With 8D0
(square flange receptacle)
With 8D7
(jam nut receptacle)
38999 Series III
High Power Contacts
6
Backshell R1 type
Shell size A Max B Max ØC±0.1 ØD±0.1 E±0.1 F±0.2 G±0.2 H Max J Max K Max L Max M±0.25 N Max
19
2.85
20.9 25.6 31.3 2.26
12 4
51.1 59.3 58.7 59.6
3.25 22.823 20.1 32.4 38.1 2.97 54.4 62.7 62.1 63
25 35.6 41.3 56.1 64.3 63.7 64.6
Backshell G0 type
Shell size A Max B Max C Max D Max E±0.1 F±0.2 ØG±0.1 H Max J Max K Max L Max M±0.25
19
2.65
20.9 29
39.4
2.26
25
31.3
88.1 M12 x
1.75 22.6
27. 6
3.2523 20.1 29.8 2.97 38.1 28.4
25 41.3
Note: All dimensions are in millimeters (mm)
A
B
ØC
ØD
F
J
G
H
F
G
H
F
G
H
ØC
ØD
ØC
ØD
KL
M
N
A
E
With 8D5
(plug)
With 8D0
(square flange receptacle)
With 8D7
(jam nut receptacle)
With 8D5
(plug)
With 8D0
(square flange receptacle)
With 8D7
(jam nut receptacle)
J
F
D
H
A
G
J
F
DK L
M
G
B C D
E F
J
A
G
38999 Series III
High Power Contacts
7
WMAE8DHPP02604EN © Copyright SOURIAU October 2011- All information in this document presents only general particulars and shall not form part of any contract. All rights reserved to SOURIAU for changes without prior notification or public announcement. Any duplication is prohibited, unless approved in writing.
For further information contact us at contactmilaero@souriau.com
or visit our web site www.souriau.com
Backshell W0 type
With 8D0
(square flange receptacle)
With 8D7
(jam nut receptacle)
B C D
E F
J
J
F
DK L
M
Shell size B Max C Max D Max E±0.1 F±0.2 J Max K Max L Max M±0.25
19 20.9
14 40
2.26
25 M12 x 1.75 22.6 12 3.2523 20.1 2.97
25
Note: All dimensions are in millimeters (mm)