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 26P FM SZ 17 SKT WL MNT
Datasheet
11In Stock
Min.: 1
Mult.: 1
No
26 Position Socket (Female) 17-26 Receptacles 17 Wall Mount MIL-DTL-38999 III Crimp Panel 7.5 A Gold Copper Alloy 38999 Aluminum Bulk
Amphenol Aerospace Circular MIL Spec Connector 55P WALL MT RCPT
Datasheet
183In Stock
Min.: 1
Mult.: 1
No
55 Position Pin (Male) 17-35 Receptacles 17 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
90In Stock
Min.: 1
Mult.: 1
No
6 Position Pin (Male) 17-06 Receptacles 17 Wall Mount MIL-DTL-38999 III Crimp Panel 23 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 6P FM SZ 17 SKT WL MNT
Datasheet
8In Stock
Min.: 1
Mult.: 1
No
6 Position Socket (Female) 17-06 Receptacles 17 Wall Mount MIL-DTL-38999 III Crimp Panel 23 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 8P FM SZ 17 PIN WL MNT
Datasheet
15In 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 TRI-START ALUMINUM
Datasheet
37In Stock
Min.: 1
Mult.: 1
No
11 Position Pin (Male) 19-11 Receptacles 19 Wall Mount MIL-DTL-38999 III Crimp Panel 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 11P RCPT SZ 21 SKT WL MNT
Datasheet
31In Stock
50Expected 27/04/2026
Min.: 1
Mult.: 1
11 Position Socket (Female) 21-11 Receptacles 21 Wall Mount MIL-DTL-38999 III Crimp Panel 23 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 21P SIZE 23 WALL MOUNT RECEPTACLE SKT
Datasheet
4In Stock
Min.: 1
Mult.: 1
No
21 Position Socket (Female) 23-21 Receptacles 23 Wall Mount MIL-DTL-38999 III Crimp Panel 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 6P SZ 9 RCPT PNL MNT PIN
Datasheet
8In Stock
Min.: 1
Mult.: 1
6 Position Pin (Male) 09-35 Receptacles 9 Jam Nut MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 6P RCPT SZ 9 PIN PNL MNT
Datasheet
22In Stock
Min.: 1
Mult.: 1

6 Position Pin (Male) 09-35 Receptacles 9 Jam Nut MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 6P SZ 9 FEM PNL MNT SKT
Datasheet
12In Stock
Min.: 1
Mult.: 1
6 Position Socket (Female) 09-35 Receptacles 9 Jam Nut MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 6P FM SZ 9 SKT PNL MNT
Datasheet
24In Stock
Min.: 1
Mult.: 1

6 Position Socket (Female) 09-35 Receptacles 9 Jam Nut MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 13P FM SZ 11 PIN PNL MNT
Datasheet
159In Stock
Min.: 1
Mult.: 1
13 Position Pin (Male) 11-35 Receptacles 11 Jam Nut MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector size 13 22 pin jam nut recpt
Datasheet
60In Stock
Min.: 1
Mult.: 1
22 Position Pin (Male) 13-35 Receptacles 13 Jam Nut MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 22P FM SZ 13 SKT PNL MNT
Datasheet
23In Stock
Min.: 1
Mult.: 1
22 Position Socket (Female) 13-35 Receptacles 13 Jam Nut MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector TRI-START ALUMINUM
Datasheet
5In Stock
Min.: 1
Mult.: 1
18 Position Socket (Female) 15-18 Receptacles 15 Jam Nut MIL-DTL-38999 III Crimp Panel 7.5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector TRI-START ALUMINUM
Datasheet
40In Stock
Min.: 1
Mult.: 1

37 Position Pin (Male) 15-35 Receptacles 15 Jam Nut MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector TRI-START ALUMINUM
Datasheet
8In Stock
Min.: 1
Mult.: 1
5 Position Pin (Male) 15-05 Receptacles 15 Jam Nut MIL-DTL-38999 III Crimp Panel 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 55P RCPT SZ 17 PIN PNL MNT
Datasheet
37In Stock
Min.: 1
Mult.: 1
55 Position Pin (Male) 17-35 Receptacles 17 Jam Nut MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 55P RCPT SZ 17 SKT PNL MNT
Datasheet
3In Stock
Min.: 1
Mult.: 1

55 Position Socket (Female) 17-35 Receptacles 17 Jam Nut MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 55P RCPT SZ 17 SKT PNL MNT
Datasheet
5In Stock
Min.: 1
Mult.: 1

55 Position Socket (Female) 17-35 Receptacles 17 Jam Nut MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 8P jam nut soc sz 17
Datasheet
5In Stock
Min.: 1
Mult.: 1
8 Position Socket (Female) 17-08 Receptacles 17 Jam Nut MIL-DTL-38999 III Crimp Panel 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 11P SIZE 19 SOCKET PANEL MOUNT RECPT
Datasheet
8In Stock
Min.: 1
Mult.: 1

11 Position Socket (Female) 19-11 Receptacles 19 Jam Nut MIL-DTL-38999 III Crimp Panel 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 32P RCPT SZ 19 SKT PNL MNT
Datasheet
12In Stock
Min.: 1
Mult.: 1
32 Position Socket (Female) 19-32 Receptacles 19 Jam Nut MIL-DTL-38999 III Crimp Panel 7.5 A Gold Copper Alloy 38999 Aluminum

Amphenol Aerospace Circular MIL Spec Connector TV 3C 3#20 SKT RCPT ALUMINUM
Datasheet
160In 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