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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Qty. RoHS ECAD Model Number of Positions
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Shell Size
Shell Style
MIL Type
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Amphenol Aerospace Circular MIL Spec Connector 66P RCPT SZ 19 SKT WL MNT
Datasheet
7In Stock
Min.: 1
Mult.: 1
No
66 Position Socket (Female) 19-35 Receptacles 19 Wall Mount MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 19P RCPT SZ 25 PIN WL MNT
Datasheet
4In Stock
Min.: 1
Mult.: 1
No
19 Position Pin (Male) 25-19 Receptacles 25 Wall Mount MIL-DTL-38999 III Crimp Panel 23 A Gold Copper Alloy 38999 Aluminum Bulk
Amphenol Aerospace Circular MIL Spec Connector 128P FM SZ 25 PIN WL MNT
Datasheet
14In Stock
Min.: 1
Mult.: 1
No
128 Position Pin (Male) 25-35 Receptacles 25 Wall Mount MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 6P st jam nut SZ 11
Datasheet
14In Stock
Min.: 1
Mult.: 1

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 FM SZ 11 SKT PNL MNT
Datasheet
6In Stock
Min.: 1
Mult.: 1
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 10P RCPT SZ 13 PIN PNL MNT
Datasheet
13In Stock
Min.: 1
Mult.: 1
10 Position Pin (Male) 13-98 Receptacles 13 Jam Nut MIL-DTL-38999 III Crimp Panel 7.5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 22P FM SZ 13 SKT PNL MNT
Datasheet
33In Stock
Min.: 1
Mult.: 1
No
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 10P RCPT SZ 13 SKT PNL MNT
Datasheet
5In Stock
Min.: 1
Mult.: 1
No
10 Position Socket (Female) 13-98 Receptacles 13 Jam Nut MIL-DTL-38999 III Crimp Panel 7.5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 10P RCPT SZ 13 SKT PNL MNT
Datasheet
7In Stock
Min.: 1
Mult.: 1
No
10 Position Socket (Female) 13-98 Receptacles 13 Jam Nut MIL-DTL-38999 III Crimp Panel 7.5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 8P SIZE 25 STRAIGHT PLUG SOCKET
Datasheet
2In Stock
Min.: 1
Mult.: 1
8 Position Socket (Female) 25-08 Plugs 25 Straight MIL-DTL-38999 III Crimp Cable 46 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 2P FM SZ 11 PIN WL MNT
Datasheet
31In Stock
Min.: 1
Mult.: 1

2 Position Pin (Male) 11-02 Receptacles 11 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 41P FM SZ 21 PIN WL MNT
Datasheet
45In Stock
Min.: 1
Mult.: 1

41 Position Pin (Male) 21-41 Receptacles 21 Wall Mount MIL-DTL-38999 III Crimp Wall Mount 7.5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 4P WL MNT PIN SZ 21
Datasheet
8In Stock
Min.: 1
Mult.: 1
No
4 Position Without Pin Contacts 21-75 Receptacles 21 Wall Mount MIL-DTL-38999 III Crimp Panel 46 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 56P RCPT SZ 25 SCKT WL MNT
Datasheet
6In Stock
Min.: 1
Mult.: 1
No
56 Position Socket (Female) 25-04 Receptacles 25 Wall Mount MIL-DTL-38999 III Crimp Panel 7.5 A, 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 26P SZ 17 PANEL MOUNT PIN
Datasheet
6In Stock
Min.: 1
Mult.: 1
26 Position Pin (Male) 17-26 Receptacles 17 Jam Nut MIL-DTL-38999 III Crimp Panel 7.5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 3P FM SZ 9 SKT PNL MNT
Datasheet
119In 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
Amphenol Aerospace Circular MIL Spec Connector 55P SIZE 17 JAM NUT RECEPTACLE PIN
Datasheet
4In Stock
Min.: 1
Mult.: 1
No
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 128P SIZE 25 STRAIGHT PLUG PIN
Datasheet
4In 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 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 6P RCPT SZ 9 PIN WL MNT
Datasheet
10In Stock
Min.: 1
Mult.: 1
6 Position Pin (Male) 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 22P FM SZ 13 PIN WL MNT
Datasheet
8In 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
Amphenol Aerospace Circular MIL Spec Connector 37P FM SZ 15 SKT WL MNT
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 Bulk
Amphenol Aerospace Circular MIL Spec Connector 29P RCPT SZ 25 SKT WL MNT
Datasheet
4In Stock
Min.: 1
Mult.: 1
No
29 Position Socket (Female) 25-29 Receptacles 25 Wall Mount MIL-DTL-38999 III Crimp Panel 13 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 128P Size 25 Wall Mount Receptacle
Datasheet
4In Stock
Min.: 1
Mult.: 1
No
128 Position Socket (Female) 25-35 Receptacles 25 Wall Mount MIL-DTL-38999 III Crimp Panel 5 A Gold Copper Alloy 38999 Aluminum
Amphenol Aerospace Circular MIL Spec Connector 13P SIZE 11 JAM NUT RECEPTACLE SKT
Datasheet
7In Stock
Min.: 1
Mult.: 1
13 Position Socket (Female) 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 55P RCPT SZ 17 PIN PNL MNT
Datasheet
40In 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