Air Electro distributes and assembles a variety of circular connectors for commercial, military and industrial applications. Our circular connector lines consist of Mil-Spec, Boeing approved (BACC), Airbus approved (EN), Hermetic connectors, Filter connectors and Souriau-Sunbank by Eaton’s industrial Trim Trio line.

Mil-Spec connector offerings are MIL-DTL-38999 series I, II & III, MIL-DTL-26482 series I & II, MIL-DTL-83723, MIL-DTL-26500 and MIL-DTL-5015. Boeing approved connectors consist of BACC45 and BACC63. Airbus approved connectors include EN3645 and EN3646. Industrial Trim Trio connector offerings include the UTS, UTG, UTO, MBG and UTV series. Commercial equivalents are available for MIL-DTL-38999 series I, II & III, MIL-DTL-26482 series I & II, MIL-DTL-83723, MIL-DTL-26500, MIL-DTL-5015, Souriau 851, 8525 and 8526.

Custom circular connectors are also available through Air Electro’s manufacturing division.

Today We Will be Diving Deeper into Circular Connectors and look at the Hermetic Connector line.

Hermetic Connectors

Hermetic connectors are glass sealed connectors that are designed to operate in extreme environments. The glass to metal sealing enables the connector to be resistant to most liquids and gas, such as gasoline, jet fuel, oil, acids and hydraulic fluids, amongst others, making it an ideal connector for use in harsh environments ranging from satellites to submarines.

TE Connectivity Deutsch MIL-DTL-38999 Series I, III Hermetic EN3645 Connectors

TE Connectivity Deutsch hermetic MIL-DTL-38999 series I and III (EN3645) provide a superior performance where most robust connectors fail. Air Electro stocks a large amount of MIL-DTL-38999 I and III and can assist in a variety of desired applications. Hermetic termination styles include solder cups, eyelets, PC tails, weld tabs and crimp termination. These connectors are used for high-performance applications and are glass-to-metal sealing used for harsh environments.

  • Modified flanges
  • Any termination style
  • Special materials (such as titanium)
  • High-temperature and cryogenic materials
  • Ability to withstand high pressure

TE Connectivity Deutsch MIL-DTL-83723 Series III Hermetic Connectors

TE Connectivity Deutsch MIL-DTL-83723 Series III connectors offer reliability in high temperatures. Hermetic termination styles include solder cups, eyelets, PC tails, weld tabs, and crimp termination. MIL-DTL-83723 Series III is a high-density military cylindrical connector with two coupling styles: bayonet and threaded plugs and receptacles. It was designed for rugged use and high-temperature environments for both commercial and military aerospace applications. Air Electro is an authorized value-added distributor of MIL-DTL-83723 series. We offer a 48 hour turnaround time and stock a large amount of them on our shelves.

Industries covered: Military aviation, Civil Aviation, Communications equipment, military vehicles, high-temperature industrial applications.

Technical Applications for MIL-DTL 83723 Series III:

  • Shell: Aluminium alloy or Stainless Steel
  • Shell Plating: Electroless Nickel, Olive Drab Chromate over nickel, Anodized, and Passivated
  • Bayonet Pins: Passivated Stainless Steel
  • Contacts: Copper alloy
  • Contact Platings: 50u Gold Plated
  • Insulator: Rigid Plastic dielectric
  • Seals: Silicone-based elastomer

MIL-DTL-38999 Hermetic Connectors (Series I, II, II, IV)

Glenair’s hermetic connectors are glass sealed connectors designed to perform efficiently in extreme and harsh environments. The glass to metal sealing configuration enables the connector to be resilient to gas and liquids such as airplane gasoline, oils, hydraulic fluids, amongst many others. Glenair takes the hermetic connectors to the next level, offering CODE RED technology. Traditionally, glass-to-metal sealing has been the “gold standard” of hermetic sealing, new lightweight encapsulant sealing technology from Glenair, called CODE RED, brings mission-critical hermetic sealing with more efficient contact electrical performance and a drastic reduction in weight.

At Air Electro, we stock and offer the same day shipping on various hermetic connectors including MIL-DTL-38999, MILT-DTL-26482 and MIL-DTL-83723. With a full engineering team, we also offer custom design connectors for all of your custom projects.

Air Electro is the industry leader when it comes to the fiber optic connector offering.

Radiall’s aerospace and defense fiber optic connectors offer exceptional performance in temperature range -55C/ + 125C and are cost—effective, easy to use solutions for various industries.

Applicable industries: Aerospace, Defense, Industrial, Medical, Space, Telecom, Test and Measurement.

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