MIL-DTL-38999 Series III Connectors

Amphenol MIL-DTL-38999 Series III Circular Connectors deliver high-performance capabilities for demanding general duty and harsh environment applications. Developed to operate under severe high temperature and vibration, the connectors feature rapid coupling via a Tri-Start™ thread, shell-to-shell, or metal-to-metal bottoming. Amphenol designed these connectors to provide an EMI shielding capability of 65dB minimum at 10GHz and corrosion resistance of up to 500-hour salt spray exposure. Amphenol MIL-DTL-38999 Series III Circular Connectors offer a rated current range of 1.5A to 5A, a temperature range of -65°C to +175°C, minimum insulation resistance of 5000MΩ, and a dielectric withstanding voltage of 1000VRMS. These rugged and highly reliable circular connectors are ideally suited for industrial, commercial air, military, C4ISR, and space applications.

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Qty. RoHS ECAD Model Number of Positions
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MIL Type
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Packaging
Amphenol Aerospace Circular MIL Spec Connector SHELL 9 6 PIN W MNT RECPT CRMP
Datasheet
171In Stock
104Expected 11/11/2026
Min.: 1
Mult.: 1
6 Position Pin (Male) 09-35 Receptacles 9 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 5 A Gold Copper Alloy 38999 Aluminum Bulk
Amphenol Aerospace Circular MIL Spec Connector 3P FM SZ 9 PIN WL MNT
Datasheet
141In Stock
Min.: 1
Mult.: 1
3 Position Pin (Male) 09-98 Receptacles 9 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 7.5 A Gold Copper Alloy 38999 Aluminum Bulk
Amphenol Aerospace Circular MIL Spec Connector 2P SIZE 11 WALL MOUNT RECEPTACLE SKT
Datasheet
84In Stock
Min.: 1
Mult.: 1
2 Position Socket (Female) 11-02 Receptacles 11 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 100P SIZE 23 WALL MOUNT RECEPTACLE PIN
Datasheet
44In Stock
Min.: 1
Mult.: 1
100 Position Without Pin Contacts 23-35 Receptacles 23 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector TRI-START ALUMINUM
Datasheet
83In Stock
Min.: 1
Mult.: 1
No
6 Position Pin (Male) 09-35 Receptacles 9 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 3P st WL mount sz 9
Datasheet
38In Stock
Min.: 1
Mult.: 1
No
3 Position Socket (Female) 09-98 Receptacles 9 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 7.5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 3P SIZE 9 WALL MOUNT RECEPTACLE SKT
Datasheet
33In Stock
247On Order
Min.: 1
Mult.: 1
No
3 Position Socket (Female) 09-98 Receptacles 9 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 7.5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 2P st WL mnt sz 11
Datasheet
72In Stock
100Expected 11/5/2026
Min.: 1
Mult.: 1
No
2 Position Pin (Male) 11-02 Receptacles 11 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 2P FM SZ 11 SKT WL MNT
Datasheet
86In Stock
273Expected 10/23/2026
Min.: 1
Mult.: 1
No
2 Position Socket (Female) 11-02 Receptacles 11 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 13P SZ 11 WALL MOUNT PIN
Datasheet
215In Stock
3Expected 10/6/2026
Min.: 1
Mult.: 1
13 Position Pin (Male) 11-35 Receptacles 11 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 13P SIZE 11 WALL MOUNT SOCKET
Datasheet
97In Stock
100Expected 10/20/2026
Min.: 1
Mult.: 1
13 Position Socket (Female) 11-35 Receptacles 11 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 22P RCPT SZ 13 PIN WL MNT
Datasheet
29In Stock
97Expected 10/6/2026
Min.: 1
Mult.: 1
No
22 Position Pin (Male) 13-35 Receptacles 13 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector TRI-START ALUMINUM
Datasheet
79In Stock
312On Order
Min.: 1
Mult.: 1
No
4 Position Pin (Male) 13-04 Receptacles 13 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 10P ST WL MNT sz 13
Datasheet
25In Stock
37Expected 9/7/2026
Min.: 1
Mult.: 1
No
10 Position Pin (Male) 13-98 Receptacles 13 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 7.5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 19P RCPT SZ 15 SKT WL MNT
Datasheet
23In Stock
Min.: 1
Mult.: 1
No
19 Position Socket (Female) 15-19 Receptacles 15 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 7.5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 19P FM SZ 15 SKT WL MNT
Datasheet
46In Stock
100Expected 10/23/2026
Min.: 1
Mult.: 1
No
19 Position Socket (Female) 15-19 Receptacles 15 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 7.5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector RCPT WALL MNT 5 POS SHELL SIZE: 15
Datasheet
98In Stock
Min.: 1
Mult.: 1
No
5 Position Pin (Male) 15-05 Receptacles 15 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 26P Sz 17 Wall Mount Recpt Durmalon Pin
Datasheet
120In Stock
Min.: 1
Mult.: 1
No
26 Position Pin (Male) 17-26 Receptacles 17 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 7.5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 55P RCPT SZ 17 SKT WL MNT
Datasheet
83In Stock
Min.: 1
Mult.: 1
No
55 Position Socket (Female) 17-35 Receptacles 17 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 5 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector TRI-START ALUMINUM
Datasheet
12In Stock
Min.: 1
Mult.: 1
No
55 Position Socket (Female) 17-35 Receptacles 17 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 6P FM SZ 17 SKT WL MNT
Datasheet
103In Stock
Min.: 1
Mult.: 1
No
6 Position Socket (Female) 17-06 Receptacles 17 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 23 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 28P SIZE 19 PIN WALL MOUNT RECPT
Datasheet
9In Stock
Min.: 1
Mult.: 1
No
28 Position Pin (Male) 19-28 Receptacles 19 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 7.5 A, 13 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 32P FM SZ 19 PIN WL MNT
Datasheet
19In Stock
26Expected 8/31/2026
Min.: 1
Mult.: 1
No
32 Position Pin (Male) 19-32 Receptacles 19 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 7.5 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 32P FM SZ 19 SKT WL MNT
Datasheet
23In Stock
Min.: 1
Mult.: 1
32 Position Socket (Female) 19-32 Receptacles 19 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 7.5 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 66POS; size 19
Datasheet
28In Stock
147On Order
Min.: 1
Mult.: 1
66 Position Pin (Male) 19-35 Receptacles 19 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 5 A Gold Copper Alloy 38999 Aluminum