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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Amphenol Aerospace Circular MIL Spec Connector 66P FM SZ 19 PIN WL MNT
Datasheet
14In Stock
Min.: 1
Mult.: 1

66 Position Pin (Male) 19-35 Receptacles 19 Wall Mount MIL-DTL-38999 III Crimp 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 66P SZ 19 WALL MOUNT SOCKET
Datasheet
6In Stock
Min.: 1
Mult.: 1

66 Position Socket (Female) 19-35 Receptacles 19 Wall Mount MIL-DTL-38999 III Crimp 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 66P RCPT SZ 19 SKT WL MNT
Datasheet
8In Stock
Min.: 1
Mult.: 1

66 Position Socket (Female) 19-35 Receptacles 19 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 16P RCPT SZ 21 SKT WL MNT
Datasheet
31In Stock
Min.: 1
Mult.: 1

16 Position Socket (Female) 21-16 Receptacles 21 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 79P st WL mnt sz 21
Datasheet
13In Stock
Min.: 1
Mult.: 1

79 Position Pin (Male) 21-35 Receptacles 21 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
7In Stock
Min.: 1
Mult.: 1
79 Position Socket (Female) 21-35 Receptacles 21 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 39P RCPT SZ 21 SKT WL MNT
Datasheet
8In Stock
Min.: 1
Mult.: 1
39 Position Socket (Female) 21-39 Receptacles 21 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 7.5 A, 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 21P RCPT SZ 23 SKT WL MNT
Datasheet
6In Stock
Min.: 1
Mult.: 1

21 Position Socket (Female) 23-21 Receptacles 23 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector size 23 100 pin wall mnt recpt
Datasheet
10In 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 100P FM SZ 23 SKT WL MNT
Datasheet
4In Stock
Min.: 1
Mult.: 1

100 Position Socket (Female) 23-35 Receptacles 23 Wall Mount MIL-DTL-38999 III Crimp 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 128P WL MNT PIN SZ 25
Datasheet
5In Stock
Min.: 1
Mult.: 1

128 Position Pin (Male) 25-35 Receptacles 25 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 3P FM SZ 9 PIN WL MNT
Datasheet
24In Stock
Min.: 1
Mult.: 1
No
3 Position Pin (Male) 09-98 Receptacles 9 Wall Mount MIL-DTL-38999 III Crimp Panel 7.5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 3P SIZE 9 WALL MOUNT RECEPTACLE SKT
Datasheet
12In Stock
Min.: 1
Mult.: 1
No
3 Position Socket (Female) 09-98 Receptacles 9 Wall Mount MIL-DTL-38999 III Crimp Panel 7.5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 2P st WL mnt sz 11
Datasheet
36In Stock
Min.: 1
Mult.: 1
No
2 Position Pin (Male) 11-02 Receptacles 11 Wall Mount MIL-DTL-38999 III Crimp Panel 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 22P RCPT SZ 13 PIN WL MNT
Datasheet
42In Stock
Min.: 1
Mult.: 1
No
22 Position Pin (Male) 13-35 Receptacles 13 Wall Mount MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector SIZE 13;22 PIN CRIMP WL MNT RECPT
Datasheet
366In Stock
Min.: 1
Mult.: 1
No
22 Position Pin (Male) 13-35 Receptacles 13 Wall Mount MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 22P FM SZ 13 SKT WL MNT
Datasheet
6In Stock
Min.: 1
Mult.: 1
No
22 Position Socket (Female) 13-35 Receptacles 13 Wall Mount MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector TRI-START ALUMINUM
Datasheet
97In Stock
72Expected 20/04/2026
Min.: 1
Mult.: 1
No
4 Position Pin (Male) 13-04 Receptacles 13 Wall Mount MIL-DTL-38999 III Crimp Panel 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 4P FM SZ 13 SKT WL MNT
Datasheet
124In Stock
Min.: 1
Mult.: 1
No
4 Position Socket (Female) 13-04 Receptacles 13 Wall Mount MIL-DTL-38999 III Crimp Panel 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 10P ST WL MNT sz 13
Datasheet
36In Stock
Min.: 1
Mult.: 1
No
10 Position Pin (Male) 13-98 Receptacles 13 Wall Mount MIL-DTL-38999 III Crimp Panel 7.5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 10P RCPT SZ 13 SCKT WL MNT
Datasheet
14In Stock
Min.: 1
Mult.: 1
No
10 Position Socket (Female) 13-98 Receptacles 13 Wall Mount MIL-DTL-38999 III Crimp Panel 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
15 Position Pin (Male) 15-15 Receptacles 15 Wall Mount MIL-DTL-38999 III Crimp Panel 7.5 A, 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector TRI-START ALUMINUM
Datasheet
22In Stock
Min.: 1
Mult.: 1
No
18 Position Socket (Female) 15-18 Receptacles 15 Wall Mount MIL-DTL-38999 III Crimp Panel 7.5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector TRI-START ALUMINUM
Datasheet
11In Stock
Min.: 1
Mult.: 1
No
37 Position Socket (Female) 15-35 Receptacles 15 Wall Mount MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 37P SIZE 15 WALL MOUNT RECEPTACLE SKT
Datasheet
4In Stock
Min.: 1
Mult.: 1
No
37 Position Socket (Female) 15-35 Receptacles 15 Wall Mount MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum