Securing Aerospace Cable Connections: The Pivotal Role of AS85049 Series Backshells in System Integrity and Protection
Air Electro, Inc.
Your Source for Electrical Connectors, Contacts and Accessories for Over 70 Years. We are Veteran Founded & Family-Owned
In the aerospace industry, precision and reliability are paramount. Ensuring the integrity of cable connections is a critical aspect of overall system performance. The AS85049 Series Backshells are a crucial component of maintaining reliability. Built upon the legacy of the MIL-Spec M85049, these backshells play a pivotal role in safeguarding connections. They have proven to be a crucial upgrade in aerospace cable protection, offering essential support and strain relief.
What is AS85049? AS85049 refers to a series of backshells that adhere to a military specification (MIL-Spec) for electrical connectors used in aerospace and other demanding applications. These backshells are designed to provide crucial support, strain relief, and environmental protection for cable connections in aerospace systems. The AS85049 standard encompasses a range of configurations and materials to meet specific requirements in the aerospace industry.
What’s new about the AS85049 series?
The AS85049 brings forth a range of key features and benefits that set it apart from its predecessor and is designed to fit a range of circular connectors, including MIL-DTL-26482 series II, 83723 series 1 & 3, and 38999 Series I-IV. Also, the AS85049 backshells are qualified for development in various materials, providing options like aluminum, stainless steel, or composite and multiple plating options.
Incorporating self-locking technologies, innovative coupling options, and a wide array of materials and configurations demonstrates a commitment to adaptability and cater to the evolving demands of the aerospace industry.
Key Features and Benefits
Coupling Options: The AS85049 Series offers three coupling options, including a detented system, a self-seating mechanism, and free rotatable coupling, for versatility in meeting diverse aerospace needs.
EMI/RFI Protection: Qualified for multiple EMI/RFI designs, these backshells provide effective shielding against environmental and electromagnetic interference, enhancing the overall reliability of the aerospace system.
Lightweight Design: Going a step further in optimizing weight and robustness, the self-seating locking option offers a lighter and lower profile than a detented system, contributing to the overall efficiency of aerospace applications.
Environmental Resilience: The AS85049 Series is built to withstand severe shock, vibration, cable pullout, and external bending moment, ensuring reliable performance even in harsh environmental conditions.
Interface Compatibility: Backshells can have various interfaces, covering American and European standards such as D38999, M26482, EN2997, EN3645, M5015, and more, providing flexibility in aerospace system design and integration.
Waterproofing and Sealing: A wide range of backshells in the AS85049 Series offer superior waterproofing and environmental sealing, further enhancing the durability and longevity of cable connections.
Technical Specifications
The AS85049 Series comes in various configurations, including straight, 45°, and 90°, catering to the specific needs of different aerospace applications.
Plating Options include:
The temperature range varies depending on the plating, with electroless nickel and passivate offering a range of -65 to +200°C, while other platings provide -65 to +175°C.
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Shell conductivity is meticulously controlled in this series, with aluminum and composite shells boasting a resistance of less than 2.5 mΩ and stainless steel shells maintaining a resistance of less than 5 mΩ. The AS85049 Series adheres to MIL-STD-1285 for marking and exhibits impressive salt spray resistance, which means durability in challenging environmental conditions.
Why the Configurations and Materials Are Important
The AS85049 Series surpasses its predecessor by offering a broader range of configurations, including the innovative free rotatable coupling option. This flexibility in design ensures that the backshells can be seamlessly integrated into various aerospace systems, enhancing their overall efficiency and reliability.
The availability of multiple materials, including aluminum, stainless steel, and composite, allows aerospace engineers to choose the most suitable option based on specific application requirements. Whether prioritizing weight reduction, corrosion resistance, or a combination of factors, the AS85049 Series provides the necessary options for customization.
Enhanced EMI/RFI Protection
One of the standout features of the AS85049 Series is its superior EMI/RFI protection. The inclusion of banding and crimping platforms for overall shielding, as well as dual EMI rings for both overall and individual shielding, ensures that the backshells effectively mitigate electromagnetic interference.
This is a crucial advancement in aerospace applications where the reliability of electrical connections is paramount.
Lightweight and Robust Design
The optimization of weight and robustness in the AS85049 Series, especially with the self-seating locking option, showcases a commitment to addressing the specific challenges faced in aerospace engineering. Maintaining reliability while reducing weight is a significant advantage in aerospace applications where every ounce matters.
Key Takeaways:
Air Electro Backshells and the AS85049 Series
The AS85049 Series backshells’ ability to withstand a wide temperature range, maintain low shell conductivity, and resist corrosion and environmental challenges makes them a reliable choice for aerospace cable protection.
The evolution from the MIL-85049 standard represents a commitment to innovation and adaptability, addressing the ever-changing landscape of aerospace requirements.
Air Electro is a franchised distributor for Glenair. We offer a wide range of Mil-Spec and commercial backshells, including wire bundle strain reliefs, backshells, dummy storage receptacles, protective covers, and advanced electromagnetic shielding and termination systems. We also provide extender backshells, pipe thread adapters, shorting caps, and cable-sealing backshells to meet all your requirements.
For aerospace engineers seeking a reliable and advanced solution for cable protection, the AS85049 Series Backshells prove to be not just a component but a cornerstone in ensuring the success and safety of aerospace missions. Choose Air Electro for a seamless and reliable connection that stands the test of time. Start today.
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1 个月I had resigned myself to the idea that I could only get two out of three key features when choosing my backshells: -Superior EMI/FRI protection -Lightweight, robust design -Resilience to shock, vibration, and environmental extremes But with the AIr Elector AS85049 backshells, I can finally have all three! I now look to the future with promise.