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 39P STRT CABLE PLUG 37-#20, 2-#16
Datasheet
63In Stock
Min.: 1
Mult.: 1
39 Position Socket (Female) 21-39 Plugs 21 Straight MIL-DTL-38999 III Crimp Cable 7.5 A, 13 A Gold Copper Alloy Composite 38999
Amphenol Aerospace Circular MIL Spec Connector 18P SIZE 15 WALL MOUNT RECEPTACLE PIN
Datasheet
15In Stock
Min.: 1
Mult.: 1
No
18 Position Pin (Male) 15-18 Receptacles 15 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 7.5 A Gold Copper Alloy Composite 38999
Amphenol Aerospace Circular MIL Spec Connector 37P WL mnt soc sz 15
Datasheet
12In Stock
Min.: 1
Mult.: 1
No
37 Position Socket (Female) 15-35 Receptacles 15 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 5 A Gold Copper Alloy Composite 38999
Amphenol Aerospace Circular MIL Spec Connector 3P RCPT SZ 9 SKT WL MNT
Datasheet
24In Stock
Min.: 1
Mult.: 1

3 Position Socket (Female) 09-98 Receptacles 9 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 7.5 A Gold Copper Alloy Composite 38999
Amphenol Aerospace Circular MIL Spec Connector 8P Sz 13 Wall Mount Recpt Composite Nic
Datasheet
16In Stock
Min.: 1
Mult.: 1

8 Position Socket (Female) 13-08 Receptacles 13 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 7.5 A Gold Copper Alloy Composite 38999
Amphenol Aerospace Circular MIL Spec Connector 16P SIZE 21 WALL MOUNT RECEPTACLE PIN
Datasheet
54In Stock
Min.: 1
Mult.: 1

16 Position Pin (Male) 21-16 Receptacles 21 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 13 A Gold Copper Alloy Composite 38999
Amphenol Aerospace Circular MIL Spec Connector 6P jam nut soc sz 9
Datasheet
52In 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 Stainless 38999
Amphenol Aerospace Circular MIL Spec Connector 22P ST PLUG SZ 13
Datasheet
24In Stock
Min.: 1
Mult.: 1
No
22 Position Pin (Male) 13-35 Plugs 13 Straight MIL-DTL-38999 III Crimp Cable 5 A Gold Copper Alloy Composite 38999
Amphenol Aerospace Circular MIL Spec Connector 19P PLG SZ 15 PIN CBL MNT
Datasheet
29In Stock
Min.: 1
Mult.: 1
No
19 Position Pin (Male) 15-19 Plugs 15 Straight MIL-DTL-38999 III Crimp Cable 7.5 A Gold Copper Alloy Composite 38999
Amphenol Aerospace Circular MIL Spec Connector 100P PLG SZ 23 SKT CBL MNT
Datasheet
16In Stock
7Expected 17/8/2026
Min.: 1
Mult.: 1
No
100 Position Socket (Female) 23-35 Plugs 23 Straight MIL-DTL-38999 III Crimp Cable 5 A Gold Copper Alloy Composite 38999
Amphenol Aerospace Circular MIL Spec Connector 128P SIZE 25 STRAIGHT PLUG PIN
Datasheet
24In Stock
Min.: 1
Mult.: 1
128 Position Pin (Male) 25-35 Plugs 25 Straight MIL-DTL-38999 III Crimp Cable 5 A Gold Copper Alloy Stainless 38999
Amphenol Aerospace Circular MIL Spec Connector 6P SIZE 9 STRAIGHT PLUG PIN
Datasheet
22In Stock
Min.: 1
Mult.: 1

6 Position Pin (Male) 09-35 Plugs 9 Straight MIL-DTL-38999 III Crimp Cable 5 A Gold Copper Alloy Composite 38999
Amphenol Aerospace Circular MIL Spec Connector 26P SIZE 17 STRAIGHT PLUG PIN
Datasheet
25In Stock
Min.: 1
Mult.: 1

26 Position Pin (Male) 17-26 Plugs 17 Straight MIL-DTL-38999 III Crimp Cable 7.5 A Gold Copper Alloy Composite 38999
Amphenol Aerospace Circular MIL Spec Connector 26P PLG SZ 17 SKT CBL MNT
Datasheet
25In Stock
Min.: 1
Mult.: 1
26 Position Socket (Female) 17-26 Plugs 17 Straight MIL-DTL-38999 III Crimp Cable 7.5 A Gold Copper Alloy Composite 38999
Amphenol Aerospace Circular MIL Spec Connector 23P FM SZ 17 PIN WL MNT
Datasheet
22In Stock
Min.: 1
Mult.: 1
No
23 Position Pin (Male) 17-99 Receptacles 17 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 7.5 A, 13 A Gold Copper Alloy Composite 38999
Amphenol Aerospace Circular MIL Spec Connector 11P WL MNT PIN SZ 19
Datasheet
27In Stock
Min.: 1
Mult.: 1
No
11 Position Pin (Male) 19-11 Receptacles 19 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 13 A Gold Copper Alloy Composite 38999
Amphenol Aerospace Circular MIL Spec Connector 10P SZ 13 WALL MOUNT SOCKET
Datasheet
22In Stock
Min.: 1
Mult.: 1
10 Position Socket (Female) 13-98 Receptacles 13 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 7.5 A Gold Copper Alloy Composite 38999 Each
Amphenol Aerospace Circular MIL Spec Connector 18P PLG SZ 15 SKT CBL MNT
Datasheet
42In Stock
Min.: 1
Mult.: 1
No
18 Position Socket (Female) 15-18 Plugs 15 Straight MIL-DTL-38999 III Crimp Cable 7.5 A Gold Copper Alloy Composite 38999
Amphenol Aerospace Circular MIL Spec Connector 55P PLG SZ 17 SKT CBL MNT
Datasheet
36In Stock
Min.: 1
Mult.: 1
No
55 Position Socket (Female) 17-35 Plugs 17 Straight MIL-DTL-38999 III Crimp Cable 5 A Gold Copper Alloy Composite 38999
Amphenol Aerospace Circular MIL Spec Connector 8P ST PLUG SZ 13
Datasheet
16In Stock
Min.: 1
Mult.: 1

8 Position Socket (Female) 13-08 Plugs 13 Straight MIL-DTL-38999 III Crimp Cable 7.5 A Gold Copper Alloy Composite 38999
Amphenol Aerospace Circular MIL Spec Connector 18P ST PLUG PIN SZ 15
Datasheet
12In Stock
Min.: 1
Mult.: 1

18 Position Pin (Male) 15-18 Plugs 15 Straight MIL-DTL-38999 III Crimp Cable 7.5 A Gold Copper Alloy Composite 38999
Amphenol Aerospace Circular MIL Spec Connector 13P SIZE 11 WALL MOUNT RECEPTACLE PIN
Datasheet
60In Stock
Min.: 1
Mult.: 1
No
13 Position Pin (Male) 11-35 Receptacles 11 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 5 A Gold Copper Alloy Composite 38999
Amphenol Aerospace Circular MIL Spec Connector 12P SIZE 15 WALL MOUNT RECEPTACLE PIN
Datasheet
45In 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 Composite 38999
Amphenol Aerospace Circular MIL Spec Connector 8P WL mnt recpt sz 13
Datasheet
24In Stock
Min.: 1
Mult.: 1

8 Position Pin (Male) 13-08 Receptacles 13 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 7.5 A Gold Copper Alloy Stainless 38999
Amphenol Aerospace Circular MIL Spec Connector 22P WL MNT PIN SZ 13
Datasheet
23In Stock
Min.: 1
Mult.: 1

22 Position Pin (Male) 13-35 Receptacles 13 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 5 A Gold Copper Alloy Composite 38999