Reliable Operation and Performance in the Field

When it comes to military field performance connection, Air Electro is proud to offer Souriau by Eaton’s line. As a market leader for more than 50 years, Souriau by Eaton’s expertise in interconnect solutions for defense includes a wide range of military-standard productswhich are fully qualified by the related organizations.

Since the defense industry is at the leading edge of technology, we also offer multiple proprietary product configurations for very specific applications and environments to ensure secure and reliable data transmission, quick release systems, and small, easy-to-use robust wearable connectors.

Standard Ranges

We have a very broad range of Souriau by Eaton standard products and offer complete solutions including connectors, contacts, and backshells. Our comprehensive plating options include cadmium but also RoHS-compliant Black Zinc Nickel, for which we were the first to be qualified.

MIL-DTL-38999 Series I (8LT)

The D38999 Series I connector is a circular, high-density bayonet style with shell sizes ranging from 9 to 25 with over 50 QPL approved insert arrangements available. It was designed for high-performance requirements for military and aerospace cable to panel applications. Other applications can include marine and communication equipment, medical instrumentation, weapon systems, armored carriers and tanks, and test equipment.

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MIL-DTL-38999 Series III (8D, EN3645, BACC63)

The 8D series is a highly reliable connector compliant to the main standards (MIL-DTL-38999 series III, EN3645, BACC63) and answers the most stringent requirements in harsh environments.

Available in five high-end materials and five platings (8D aluminum, 8D composite, 8D titanium, 8D stainless steel, and 8D bronze), the 8D series connectors fit all the corrosion, shock, endurance, or firewall capability you will encounter.

A full range of contacts is also available with 8D connectors such as signal transmission, high-speed data transmission (quadrax, twinax, coax, ELIO®). 54 QPL layouts are available in accordance with MIL-STD-1560.

The 8D series is compliant with the MIL standard connector design with a unique self-locking mechanism (patented by Souriau by Eaton), visual mating indication, scoop proof, quick screw coupling, and 360° shielding. The patented self-locking system and the metallic contact retention clip technology make the product perfect for high vibration applications or rough handling in the field.

8D connectors offer a concrete RoHS alternative to cadmium. Souriau by Eaton has more than 10 years of experience in producing Zn Ni with continuous improvements to comply with military and aerospace harsh environment conditions. Zn Ni connectors are the first ones to be qualified by the US Defense standards organization (DLA Land and Maritime). It provides the most cost-effective solution for a cadmium alternative finish.

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MIL-DTL-26482 Series I & II (851)


MIL-DTL-26482 Series I is a quick-disconnect circular connector with a bayonet coupling designed to ensure reliable electrical connections in aircraft.

The lightweight and compact size make the 26482 style connector suitable not just for military and aerospace applications but also for industrial and telecommunications applications that require a connector that can hold up in harsh environments.

Air Electro is a franchised, value-added distributor for Souriau by Eaton’s MIL-DTL-26482 Series I connectors. We maintain a large inventory of components allowing us to build the full breadth of shell types, sizes, and insert arrangements within 48-hours. Commercial equivalents are also available as the Souriau by Eaton 851 series.


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Range Extensions & Developments

Souriau by Eaton’s proximity with key partners in the field of defense enabled their R&D team to develop proprietary solutions to meet specific needs on the field, including:

  • Improved resistance to vibration and shock (double-flange receptacles)
  • Space constraints (integrated backshells, high-density layouts, micro38999)
  • High power (up to 850A)
  • High speed and high frequency (ELIO and ARINC801 optics, quadrax, coax)


Fiber Optics

The ELIO connector range is the favorite Airbus fiber optics termini for A350, A380, A330, A400M programs. The mass-production scale of ELIO makes it the sustainable optical solution for the aerospace, space, defense, marine, and industrial markets.

The flight-proven ELIO fiber optics termini are designed around a robust 2.5mm ceramic ferrule. The assembly is as easy as an ST connector.

The insertion and retention inside the connector are ensured by a bayonet locking mechanism without any special tool. The termini integrate a seal inside the rear boot, thus the connection is sealed from the rear side without a backshell or a grommet. The 8D ELIO range covers a layout from 1 to 24 ways in all types of material shell.

Each cavity can be upgraded with the brand-new ELIOBEAM expanded beam ELIO version. In the female insert, the termini are flushed to the insert surface, thus making easy the fiber optical end-face inspection and cleaning, compared to the traditional dust collecting socket design.

Explore the Souriau Eaton ELIO MIL-DTL-38999 Fiber-Optic High-Speed Connector Series Now


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