Space saving with scoop proof connector for harsh applications.
Miniature Product with a Bayonet Release
A high density solution With #26 contacts (according 39029).
5 layouts (size 3, 5 and 7 with #22 & #26).
3
Robustness Connector available with stainless steel (1500
matings) and aluminum shell (500 matings).
3
RoHS and Cadmium free Available in zinc nickel (RoHS) plating, as well as
nickel and olive drab cadmium.
3
Integrated backshell Cost and space saving.
3
Excellent features Designed for D38999 requirements.
IP67 sealing when mated.
3
A compact solution
Diameter up to 45% smaller than size 9 (D38999).
Up to 50% shorter.
3
8LTA Bayonet Coupling
2
8LTA Bayonet Coupling
Description
• A compact solution
- The smallest connector available on the
market (shell size 3)
- Miniaturization of MIL-DTL-38999 Series I
- Quick bayonet locking
- Integrated backshell:
. Easy to wire and handle
. Compatible with heat shrink boot and
braid retention band
. Compliant with overmolding
• A versatile solution
- 3 shells sizes: 3, 5, 7
- Plug; In line, square flange, oval flange and
jam nut receptacle
- 3 materials, 3 platings
- Crimp & PC tails (on request)
- Removable contacts #22D & #26
- 6 keyings
• Harsh environment-resistant solution
- Scoop Proof
- Cavity to cavity sealed with interfacial seal
and grommet
- Fluid resistant
Technical Features
Mechanical
• Shell:
Aluminum alloy
Passivated stainless steel (for size 5 & 7)
• Shell plating:
Aluminum:
. Zinc nickel (RoHS)
. Nickel (RoHS)
. Olive drab cadmium
Passivated stainless steel (RoHS)
Composite (size 7)
• Insulator: Thermoplastic
• Contact body: Copper alloy
• Contacts plating: Gold over nickel plated
• Shell endurance:
Aluminum:
250 mating/unmating cycles
Passivated stainless steel:
1000 mating/unmating cycles
• Vibration:
30 grms ambiant, 2 axes during 8 hours
Environmental
• Temperature range:
-55°C to +175°C
• Water immersion:
IP 67 on mated connector
1 meter for 30 min minimum
> IP68 with appropriate cable termination
• Salt spray:
Zinc nickel: 500 hours
Nickel: 48 hours
Olive drab cadmium: 500 hours
Passivated stainless steel: 500 hours
Resistance to fluids
• According to MIL-DTL-38999 standard
Gasoline: JP5 (OTAN F44)
Mineral hydraulic fluid: MIL-H-5606
(OTAN H515)
Synthetic hydraulic fluid: Skydrol 500 B4
• Compatible with de-icing uids containing
potassium acetate
Electrical
• Wire size
• Test voltage (at sea level):
Size 22D: 1000 Vrms
Size 26: 400 Vrms
• Contact resistance:
Size 22D: <14.6 mΩ Size 26: <16 mΩ
• Contact rating:
Size 22D: 5A Size 26: 3A
• Contact retention:
Size 22D: 45N Size 26: 30N
• Shell to shell continuity
• EMI:
-55dB @ 1GHz
Shell size All versions
03
< 250 mΩ05
07
Layout Wire (AWG)
03-05 24-30
03-35 22-28
05-06 24-30
05-35 22-28
07-09 24-30
07-35 22-28
3
8LTA Bayonet Coupling
For other configuration (PC tail, specific jam nut, ...) please consult us.
Plug Oval flange
receptacle
Jam nut
receptacle
In line
Shell type
Ordering information
Basic Series 8LTA ØØ3WØ5 P N
Shell type:
Ø: Square flange receptacle
1: In line receptacle
2: Oval flange receptacle
6: Plug without EMI ring
7: Jam nut receptacle
Shell size: Ø3 - Ø5 - Ø7
Plating :
Z: Black zinc nickel
F: Nickel
W: Olive drab cadmium
Contact layouts: See above
Contact type:
P: Pin
S: Socket
Orientation:
N, A, B, C, D, E
Square flange
receptacle
Contact layouts
Note: Ø = Zero
Ø7
Ø9 35
9#26 5#22D
Ø5
35Ø6
3#22D6#265#26
Ø3
35Ø5
3#22D
4
8LTA Bayonet Coupling
Plug - Shell type 6
Dimensions
A
B
C
D
E
In line receptacle - Shell type 1
Note: All dimensions are in mm.
A
B
C
D
E
Shell size 3 Shell size 5 Shell size 7
A A
B
C
D
B
C
D
Shell size A Max B Max C Max Ø D Max Ø E Max
3
3-05 16.2 2.2±0.15 4.6 7.2 8.3
3-35 17.5 2.2±0.15 5.9 7.2 8.3
518.2 2.5±0.15 4.9 8.55 10.15
723.6 4±0.15 7.5 10.3 11.6
Shell size A Max B Max C Max Ø D Max Ø E Max
3
3-05 16.2 2.2±0.15 4.6 7.2 10.5
3-35 17.5 2.2±0.15 5.9 7.2 10.5
05 18.4 2.5±0.15 4.9 8.55 13.5
07 22.06 3.65±0.15 6.35 10.3 15.06
5
8LTA Bayonet Coupling
Square ange receptacle - Shell type 0
Note: All dimensions are in mm.
Panel cut out
A
B
C
D
E
F
G
H
J
G
K
Shell size Ø A Max B Max C Max Ø D Max E Max F Max G Max Ø H Max Ø J Max Ø K Max
3
3-05 8.3 16.2 8.7 7.2 4.6 15.5 10.8 2.7±0.1 9.3±0.1 3.1±0.1
3-35 8.3 17.5 8.7 7.2 5.9 15.5 10.8 2.7±0.1 9.3±0.1 3.1±0.1
510.15 18.2 9.05 8.55 4.9 16 11.45 2.7±0.1 12±0.1 3.1±0.1
711.6 23.06 10.8 10.3 7.5 18 12.7 2.7±0.1 13±0.1 3.1±0.1
Jam nut receptacle - Shell type 7
Shell size Thread A Max Ø B Max C Max D Max Ø E Max F Max Ø G Max H Max Ø J Max
3
3-05 7/16’’28 UNEF 2A 10.3 8.3 16.2 2.6 7.8 1 to 3.2 17.3 11.3±0.1 12±0.1
3-35 7/16’’28 UNEF 2A 10.3 8.3 17.5 2.6 7.8 1 to 3.2 17.3 11.3±0.1 12±0.1
51/2’’28 UNEF 2A 11.7 10.5 25.9 7.7 8.55 1 to 3.2 19.5 13±0.1 13.5±0.1
79/16’’24 UNEF 2A 13.4 11.6 33.55 10.4 10.3 1 to 3.2 20.8 14.4±0.1 15.2±0.1
Panel cut out
A
B
C
F
E
D
G
H
(Panel thickness)
Shell size 3 Shell size 5 & 7
F
(Panel thickness)
J
A
B
C
E
D
Thread Thread
6
8LTA Bayonet Coupling
Oval ange receptacle - Shell type 2
Note: All dimensions are in mm.
Panel cut out
A
B
C
D
E
F
G
H
J
K
L
Shell size Ø A Max B Max C Max Ø D Max E Max F Max G Max Ø H Max Ø J Max K Max Ø L Max
3
3-05 8.3 16.2 8.7 7.2 4.6 15.3±0.2 10.5±0.1 2.8 9.3±0.1 15.3±0.2 3.1±0.1
3-35 8.3 17.5 8.7 7.2 5.9 15.3±0.2 10.5±0.1 2.8 9.3±0.1 15.3±0.2 3.1±0.1
510.15 18.2 9.05 8.55 4.9 16.2±0.2 13±0.1 2.7 12±0.1 16.2±0.2 3.1±0.1
711.6 23.06 10.8 10.3 7.5 18±0.2 14.8±0.1 2.7 13±0.1 18±0.2 3.1±0.1
Shell size & layout Plug Square flange receptacle
Without contacts With contacts Without contacts With contacts
3-05 1.6 1.7 2 2.2
5-35 3 3.3 2.9 3.1
7-35 4.5 4.9 4.2 4.6
Weight
Aluminum version (in gram ±10 %)
Connector weights
7
8LTA Bayonet Coupling
Orientation - All shell types
Shell size Angles N A B C D E
3X ° 153 51 102 204 255 306
5 & 7
Y ° 145 130 110 155 90 90
Z ° 75 120 120 115 115 180
Master Key Master Key
XY
Z
Shell size 3 Shell size 5 & 7
Orientations
For further information contact us at contactmilaero@souriau.com
or visit our web sites www.souriau.com & www.micro38999.com
WMAE8LTAP01701EN © Copyright SOURIAU October 2010 - 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.
