Circular MIL Spec Contacts

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Octonet Contacts

Amphenol Aerospace Octonet Contacts feature eight strategically spaced inner contacts that form 100Ω matched impedance differential pairs. This superior Ethernet contact system is designed for MIL-DTL-38999 Series III connectors. The Octonet series is 10G Ethernet compliant and meets the performance specifications of CAT-6A cables. The contacts are available in a size 8 crimp termination style and can be installed in existing size 8 Quadrax cavities. Amphenol Aerospace Octonet Contacts are ideal for military and commercial air avionics as well as high-speed Ethernet applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	MIL Type	Contact Gender	Wire Gauge	Termination Style	Series
Circular MIL Spec Contacts 8P Pin use with Cbl PIC E6A3824 21-032904-021 Amphenol Aerospace 1: $517.85 128In Stock 1Expected 2026-12-07	Mfr. Part # 21-032904-021 Mouser Part # 654-21-032904-021	Amphenol Aerospace	Circular MIL Spec Contacts 8P Pin use with Cbl PIC E6A3824 Learn More about Amphenol Aerospace amphenol octonet contacts	Datasheet	128In Stock 1Expected 2026-12-07	$517.85 $497.15	Min.: 1 Mult.: 1	MIL-DTL-38999 III	Pin (Male)	24 AWG	Crimp	High Speed
Circular MIL Spec Contacts 8P Socket use W/ Cbl PIC E6A3824 21-032905-021 Amphenol Aerospace 1: $1,025.32 6In Stock	Mfr. Part # 21-032905-021 Mouser Part # 654-21-032905-021	Amphenol Aerospace	Circular MIL Spec Contacts 8P Socket use W/ Cbl PIC E6A3824 Learn More about Amphenol Aerospace amphenol octonet contacts	Datasheet	6In Stock	$1,025.32	Min.: 1 Mult.: 1	MIL-DTL-38999 III	Socket (Female)	24 AWG	Crimp	High Speed
Circular MIL Spec Contacts 8P Socket use W/ Cbl GORE RCN8966-24 21-032905-011 Amphenol Aerospace 1: $987.03 7In Stock	Mfr. Part # 21-032905-011 Mouser Part # 654-21-032905-011	Amphenol Aerospace	Circular MIL Spec Contacts 8P Socket use W/ Cbl GORE RCN8966-24 Learn More about Amphenol Aerospace amphenol octonet contacts	Datasheet	7In Stock	$987.03	Min.: 1 Mult.: 1	MIL-DTL-38999 III	Socket (Female)	24 AWG	Crimp	High Speed
Circular MIL Spec Contacts OCTONET 21-032905-121 Amphenol Aerospace 1: $936.66 1In Stock	Mfr. Part # 21-032905-121 Mouser Part # 654-21-032905-121	Amphenol Aerospace	Circular MIL Spec Contacts OCTONET Learn More about Amphenol Aerospace amphenol octonet contacts		1In Stock	$936.66 View $924.87 Quote	Min.: 1 Mult.: 1					High Speed
Circular MIL Spec Contacts 8P Pin PCB Crimp 21-032906-001 Amphenol Aerospace Non-Stocked Lead-Time 10 Weeks	Mfr. Part # 21-032906-001 Mouser Part # 654-21-032906-001	Amphenol Aerospace	Circular MIL Spec Contacts 8P Pin PCB Crimp Learn More about Amphenol Aerospace amphenol octonet contacts	Datasheet	Non-Stocked Lead-Time 10 Weeks		Request a Quote	MIL-DTL-38999 III	Pin (Male)	24 AWG	Solder	High Speed
Circular MIL Spec Contacts 8P Pin use with Cbl Thermax MX10G-24HP 21-032904-001 Amphenol Aerospace Non-Stocked Lead-Time 13 Weeks	Mfr. Part # 21-032904-001 Mouser Part # 654-21-032904-001	Amphenol Aerospace	Circular MIL Spec Contacts 8P Pin use with Cbl Thermax MX10G-24HP Learn More about Amphenol Aerospace amphenol octonet contacts	Datasheet	Non-Stocked Lead-Time 13 Weeks		Request a Quote	MIL-DTL-38999 III	Pin (Male)	24 AWG	Crimp	High Speed
Circular MIL Spec Contacts 8P Pin use with Cbl GORE RCN8966-24 21-032904-011 Amphenol Aerospace 1Stock Available	Mfr. Part # 21-032904-011 Mouser Part # 654-21-032904-011	Amphenol Aerospace	Circular MIL Spec Contacts 8P Pin use with Cbl GORE RCN8966-24 Learn More about Amphenol Aerospace amphenol octonet contacts	Datasheet	1Stock Available More Info Available		Request a Quote	MIL-DTL-38999 III	Pin (Male)	24 AWG	Crimp	High Speed
Circular MIL Spec Contacts CONTACT, PIN -OCTONET 21-032904-121 Amphenol Aerospace Non-Stocked Lead-Time 13 Weeks	Mfr. Part # 21-032904-121 Mouser Part # 654-21-032904-121	Amphenol Aerospace	Circular MIL Spec Contacts CONTACT, PIN -OCTONET Learn More about Amphenol Aerospace amphenol octonet contacts		Non-Stocked Lead-Time 13 Weeks		Request a Quote					High Speed
Circular MIL Spec Contacts 8P Socket use W/ Cbl Thermax MX10G-24HP 21-032905-001 Amphenol Aerospace Non-Stocked Lead-Time 16 Weeks	Mfr. Part # 21-032905-001 Mouser Part # 654-21-032905-001	Amphenol Aerospace	Circular MIL Spec Contacts 8P Socket use W/ Cbl Thermax MX10G-24HP Learn More about Amphenol Aerospace amphenol octonet contacts	Datasheet	Non-Stocked Lead-Time 16 Weeks		Request a Quote	MIL-DTL-38999 III	Socket (Female)	24 AWG	Crimp	High Speed
Circular MIL Spec Contacts 8P Socket PCB Crimp 21-032907-001 Amphenol Aerospace Non-Stocked	Mfr. Part # 21-032907-001 Mouser Part # 654-21-032907-001	Amphenol Aerospace	Circular MIL Spec Contacts 8P Socket PCB Crimp Learn More about Amphenol Aerospace amphenol octonet contacts	Datasheet	Non-Stocked		Request a Quote	MIL-DTL-38999 III	Socket (Female)	24 AWG	Solder	High Speed

Octonet Contacts

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