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 (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Number of Positions
Contact Gender
Insert Arrangement
Product
Shell Size
Shell Style
MIL Type
Termination Style
Mounting Style
Current Rating
Contact Plating
Contact Material
Series
Packaging
Amphenol Aerospace Circular MIL Spec Connector 128P WL MNT SOC SZ 25
Datasheet
2In Stock
Min.: 1
Mult.: 1
128 Position Without Socket Contacts 25-35 Receptacles 25 Wall Mount MIL-DTL-38999 III Crimp 5 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector TRI-START ALUMINUM
Datasheet
23Expected 11/05/2026
Min.: 1
Mult.: 1

128 Position Socket (Female) 25-35 Receptacles 25 Wall Mount MIL-DTL-38999 III Crimp 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 61P RCPT SZ 25 PIN WL MNT
Datasheet
2In Stock
Min.: 1
Mult.: 1
61 Position Pin (Male) 25-61 Receptacles 25 Wall Mount MIL-DTL-38999 III Crimp 7.5 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 10P SZ 13 WALL MNT RECEPTACLE
Datasheet
1In 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 Composite 38999 Each
Amphenol Aerospace Circular MIL Spec Connector 10P SIZE 13 WALL MOUNT RECEPTACLE SKT
Datasheet
6In 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 Composite 38999 Each
Amphenol Aerospace Circular MIL Spec Connector 56P FM SZ 25 PIN WL MNT
Datasheet
9In Stock
Min.: 1
Mult.: 1
No
56 Position Pin (Male) 25-04 Receptacles 25 Wall Mount MIL-DTL-38999 III Crimp Panel 7.5 A, 13 A Gold Copper Alloy Composite 38999 Each
Amphenol Aerospace Circular MIL Spec Connector 18P SZ 15 WALL MOUNT SOCKET
Datasheet
4In Stock
Min.: 1
Mult.: 1
18 Position Socket (Female) 15-18 Receptacles 15 Wall Mount MIL-DTL-38999 III Crimp Panel 7.5 A Gold Copper Alloy Composite 38999 Each
Amphenol Aerospace Circular MIL Spec Connector 6P SIZE 11 PIN WALL MOUNT RECPT
Datasheet
2In Stock
Min.: 1
Mult.: 1
No
6 Position Pin (Male) 11-98 Receptacles 11 Wall Mount MIL-DTL-38999 III Crimp Panel 7.5 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 6P WL mnt soc sz 11
Datasheet
1In Stock
Min.: 1
Mult.: 1
No
6 Position Socket (Female) 11-98 Receptacles 11 Wall Mount MIL-DTL-38999 III Crimp Panel 7.5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 22P WL mnt pin sz 13
Datasheet
9In Stock
Min.: 1
Mult.: 1
No
22 Position Without Pin Contacts 13-35 Receptacles 13 Wall Mount MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 22P st WL mnt sz 13
Datasheet
1In Stock
Min.: 1
Mult.: 1
No
22 Position Without Socket Contacts 13-35 Receptacles 13 Wall Mount MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 4P WL mnt soc sz 13
Datasheet
1In Stock
Min.: 1
Mult.: 1
No
4 Position Without Socket Contacts 13-04 Receptacles 13 Wall Mount MIL-DTL-38999 III Crimp Panel 13 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 8P SIZE 13 WALL MOUNT RECEPTACLE PIN
Datasheet
8In Stock
Min.: 1
Mult.: 1
No
8 Position Pin (Male) 13-08 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 ST WL MNT sz 13
Datasheet
5In 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 Each
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 Panel 7.5 A, 13 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 18P RCPT SZ 15 SCKT WL MNT
Datasheet
2In 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 Each
Amphenol Aerospace Circular MIL Spec Connector 19P FM SZ 15 SKT WL MNT
Datasheet
3In Stock
Min.: 1
Mult.: 1
No
19 Position Socket (Female) 15-19 Receptacles 15 Wall Mount MIL-DTL-38999 III Crimp Panel 7.5 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 37P RCPT SZ 15 PIN WL MNT
Datasheet
6In Stock
Min.: 1
Mult.: 1
No
37 Position Without Pin Contacts 15-35 Receptacles 15 Wall Mount MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 12P SIZE 15 WALL MOUNT RECEPTACLE SKT
Datasheet
1In Stock
Min.: 1
Mult.: 1
No
12 Position Without Socket Contacts 15-97 Receptacles 15 Wall Mount MIL-DTL-38999 III Crimp Panel 7.5 A, 13 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 12P FM SZ 15 SCKT WL MNT
Datasheet
7In Stock
Min.: 1
Mult.: 1
No
12 Position Socket (Female) 15-97 Receptacles 15 Wall Mount MIL-DTL-38999 III Crimp Panel 7.5 A, 13 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 26P RCPT SZ 17 PIN WL MNT
Datasheet
15In Stock
Min.: 1
Mult.: 1
No
26 Position Pin (Male) 17-26 Receptacles 17 Wall Mount MIL-DTL-38999 III Crimp Panel 7.5 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 55P SIZE 17 WALL MOUNT RECEPTACLE PIN
Datasheet
9In Stock
Min.: 1
Mult.: 1
No
55 Position Without Pin Contacts 17-35 Receptacles 17 Wall Mount MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum Each
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 Panel 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 32P FM SZ 19 PIN WL MNT
Datasheet
8In Stock
Min.: 1
Mult.: 1
No
32 Position Pin (Male) 19-32 Receptacles 19 Wall Mount MIL-DTL-38999 III Crimp Panel 7.5 A Gold Copper Alloy 38999 Aluminum Each
Amphenol Aerospace Circular MIL Spec Connector 32P FM SZ 19 SKT WL MNT
Datasheet
5In Stock
Min.: 1
Mult.: 1
32 Position Socket (Female) 19-32 Receptacles 19 Wall Mount MIL-DTL-38999 III Crimp Panel 7.5 A Gold Copper Alloy 38999 Aluminum Each