Circular Connectors - Mil-Spec, Micro-Miniature, Filter, Sealed, and Custom

Amphenol Aerospace's Circular Connector portfolio features Mil-spec qualified connectors, including MIL-DTL-D38999 Series I, II, and III; MIL-DTL-26482 Series II; MIL-DTL-83723; MIL-DTL-5015; and MIL-DTL-22992 Class L connectors. Custom and derivative connectors based on these military specifications include EMI filter connectors, hermetic connectors, lanyard release/breakaway connectors, bulkhead feedthrough connectors, and our Tracer Rapid Prototyping series.

Product Mil-Spec Type Circulars
Mil-Spec Type Circulars
Amphenol designs and manufactures a complete range of Mil-Spec connectors including MIL-DTL-38999, 26482, 5015, and 83723. Also offering custom micro-miniature, filter, hermetically sealed, and custom prototype connectors.
Product Series Five Connectors
Series Five Connectors
Amphenol’s new Series Five connector is the next evolutionary step in combining all of the capabilities of the traditional 38999 style connector in a lighter, smaller, and more compact package.
Product Micro-Miniature
Amphenol Aerospace's Miniature and Micro-Miniature Connectors include our complete 2M Micro 38999 product line, the Bantam Micro-Bayonet series, the Multi-Media Ruggedized (MRC) connectors, and our new Warrior Grip Series which is designed for the US Army’s Nett Warrior system.
Product EMI Filters
EMI Filters
Filtered connectors provide critical EMI and RFI protection, and can be used on all standard and Mil-spec circular connectors.
Product Hermetically Sealed
Hermetically Sealed
Amphenol Hermetically sealed connectors are available in a wide variety of Mil-Spec configurations while also offering custom configurations for any harsh environment.
Product Features & Technologies
Features & Technologies
Amphenol Aerospace is a leading designer and manufacturer of state-of-the-art interconnect systems for commercial and military applications, across land, air and sea.
Product High Voltage 38999
High Voltage 38999
An expansion of the MIL-DTL-38999 series to provide solutions for next-generation power requirements.

Amphenol Aerospace’s vast circular connector portfolio is stocked with Mil-Spec qualified connectors, Mil-Spec derivative connectors, micro-miniature connectors, EMI and EMP filter connectors, and hermetic and epoxy-sealed connectors. Many of these connectors were introduced to the Military and Aerospace markets by Amphenol Aerospace going all the way back to World War II. See our Product Configurator for available drawings and 3D models.


Mil-Spec Qualified Connectors

Our Mil-Spec Qualified Connectors include MIL-DTL-38999 Series I, II, and III; MIL-DTL-26482 Series II; MIL-DTL-83723; MIL-DTL-5015; and MIL-DTL-22992 Class L connectors. We extend the product offerings beyond the standard mil-spec connectors by designing and manufacturing high power options, lanyard release or quick disconnect connectors, BACC63 and EN2997 connectors, Dualok high-vibration connectors, connectors with printed circuit board contacts, bulkhead feed-throughs, RoHS-compliant platings, and many more options. These connectors use our complete line of crimp, solder, PC tail, and compliant pin contacts from size 0 to size 22D.


Filter Connectors

Our Filter Connectors are based on the most popular Mil-Specs: D38999 Series I, II, III; 26482; 5015; and 2M Micro 38999. We also build Filter Adapters, Diode Connectors, and Metal Oxide Varistor (MOV) Connectors. Our Hermetic and Sealed Connectors are also available in the same Mil-Specs with many QPL versions. Both Filter and Hermetic and Sealed Connectors have many custom options available -- special shell geometries, PCB contacts, high-speed contacts.


Miniature and Micro-Miniature Connectors

Our Miniature and Micro-Miniature Connectors include our 2M Micro 38999 product line which offers the same performance as a D38999 Series III connector in half the size and weight. 2M connectors utilize size 23 contacts. We also have our Bantam Micro-Bayonet Series, our lightweight, cost-effective commercial aerospace general-purpose connector; the Multi-Media Ruggedized (MRC) connectors, and our new Warrior Grip Series which is designed for soldier systems, specifically the US Army’s Nett Warrior system.


New Circular Connector Products

Our newest Circular Connector products include Tracer Rapid Prototyping Series with fully functional, fully customizable prototype connectors in 2 weeks or less; AP-93 Plating, our new alternate to Cadmium, RoHS-compliant, 1000 hour salt spray plating; AmpheSEAL High Pressure Connectors, a 38999 mated pair that can withstand up to 300 PSI; and a new Corrosion Ingress Seal for D38999 plug connectors that can increase the salt spray up to 10X.


Accessories and Custom Options

We also have plenty of Accessories and Custom Options for our circular connectors including 38999 integral accessory features, backshells, strain reliefs, caps, dummy receptacles, and connector savers.