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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Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Number of Positions
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Amphenol Aerospace Circular MIL Spec Connector 6P SIZE 11 STRAIGHT PLUG SKT
Datasheet
3In Stock
25Expected 11/2/2026
Min.: 1
Mult.: 1
6 Position Socket (Female) 11-98 Plugs 11 Straight MIL-DTL-38999 III Crimp Cable 7.5 A Gold Copper Alloy Stainless 38999
Amphenol Aerospace Circular MIL Spec Connector 19P SIZE 15 SOCKET CABLE MOUNT PLUG
Datasheet
7In Stock
50Expected 1/11/2027
Min.: 1
Mult.: 1

19 Position Socket (Female) 15-19 Plugs 15 Straight MIL-DTL-38999 III Crimp Cable 7.5 A Gold Copper Alloy Stainless 38999
Amphenol Aerospace Circular MIL Spec Connector 6P SIZE 17 STRAIGHT PLUG PIN
Datasheet
5In Stock
Min.: 1
Mult.: 1
6 Position Pin (Male) 17-06 Plugs 17 Straight MIL-DTL-38999 III Crimp Cable 23 A Gold Copper Alloy Stainless 38999
Amphenol Aerospace Circular MIL Spec Connector 79P SZ 21 PLUG CBL MNT SKT
Datasheet
1In Stock
25Expected 10/2/2026
Min.: 1
Mult.: 1

79 Position Socket (Female) 21-35 Plugs 21 Straight MIL-DTL-38999 III Crimp Cable 5 A Gold Copper Alloy Stainless 38999
Amphenol Aerospace Circular MIL Spec Connector 6P SIZE 9 WALL MOUNT RECEPTACLE SKT
Datasheet
2In Stock
Min.: 1
Mult.: 1
6 Position Without Socket Contacts 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 100P SZ 23WALL MOUNT SOCKET
Datasheet
1In Stock
Min.: 1
Mult.: 1
100 Position Without Socket Contacts 23-35 Receptacles 23 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 5 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 100P SIZE 23 WALL MOUNT RECEPTACLE PIN
Datasheet
8In Stock
Min.: 1
Mult.: 1
100 Position Pin (Male) 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 128P WL MNT SOC SZ 25
Datasheet
3In Stock
Min.: 1
Mult.: 1
128 Position Without Socket Contacts 25-35 Receptacles 25 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 5 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector WALL MNT RECEPT SZ 11
Datasheet
7In Stock
Min.: 1
Mult.: 1
No
2 Position Without Socket Contacts 11-02 Receptacles 11 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 13 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 6P SIZE 11 WALL MOUNT RECEPTACLE SKT
Datasheet
2In Stock
Min.: 1
Mult.: 1
No
6 Position Socket (Female) 11-98 Receptacles 11 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 7.5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 7P Size 11 Wall Mount Receptacle
Datasheet
2In Stock
Min.: 1
Mult.: 1
No
7 Position Pin (Male) 11-99 Receptacles 11 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 7.5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 15P RCPT SZ 15 PIN WL MNT
Datasheet
8In Stock
Min.: 1
Mult.: 1
No
15 Position Pin (Male) 15-15 Receptacles 15 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 12P SIZE 15 WALL MOUNT RECEPTACLE PIN
Datasheet
1In Stock
Min.: 1
Mult.: 1
No
12 Position Pin (Male) 15-97 Receptacles 15 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 6P RCPT SZ 17 PIN WL MNT
Datasheet
1In Stock
Min.: 1
Mult.: 1
No
6 Position Pin (Male) 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 8P WL MNT PIN SZ 17
Datasheet
2In Stock
Min.: 1
Mult.: 1
No
8 Position Pin (Male) 17-08 Receptacles 17 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 11P RCPT SZ 19 SKT WL MNT
Datasheet
5In Stock
Min.: 1
Mult.: 1
No
11 Position Without Socket Contacts 19-11 Receptacles 19 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 66P SZ 19 WALL MNT
Datasheet
2In Stock
Min.: 1
Mult.: 1
No
66 Position Without Socket Contacts 19-35 Receptacles 19 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 5 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 79P FM SZ 21 PIN WL MNT
Datasheet
6In Stock
Min.: 1
Mult.: 1
No
79 Position Without Pin Contacts 21-35 Receptacles 21 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 5 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 79P ST WL MNT SZ 21
Datasheet
7In Stock
Min.: 1
Mult.: 1
No
79 Position Without Socket Contacts 21-35 Receptacles 21 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 5 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 100P SIZE 23 WALL MOUNT RECEPTACLE SKT
Datasheet
7In Stock
Min.: 1
Mult.: 1
No
100 Position Without Socket Contacts 23-35 Receptacles 23 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 5 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 128P SIZE 25 WALL MOUNT RECEPTACLE SKT
Datasheet
1In Stock
Min.: 1
Mult.: 1
No
128 Position Socket (Female) 25-35 Receptacles 25 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 5 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 3P SZ 9 FEM PNL MNT PIN
Datasheet
2In Stock
Min.: 1
Mult.: 1
No
3 Position Pin (Male) 09-98 Receptacles 9 Jam Nut MIL-DTL-38999 III Crimp Panel 7.5 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 3P SIZE 9 JAM NUT RECEPTACLE SKT
Datasheet
4In Stock
Min.: 1
Mult.: 1
No
3 Position Socket (Female) 09-98 Receptacles 9 Jam Nut MIL-DTL-38999 III Crimp Panel 7.5 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 6P SZ 11 FEM PNL MNT SKT
Datasheet
8In Stock
Min.: 1
Mult.: 1
No
6 Position Socket (Female) 11-98 Receptacles 11 Jam Nut MIL-DTL-38999 III Crimp Panel 7.5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 6P SZ 11 RCPT PNL MNT SKT
Datasheet
2In Stock
Min.: 1
Mult.: 1
No
6 Position Socket (Female) 11-98 Receptacles 11 Jam Nut MIL-DTL-38999 III Crimp Panel 7.5 A Gold Copper Alloy 38999 Aluminum