Since the dawn of the Jet Age, The Lee Company has produced components that enhance performance, quality, safety, and reliability in aerospace and defense applications. Learn why Lee components are found in thousands of locations on every aircraft in the sky.
Many companies provide aerospace and defense components, but only The Lee Company combines expertise with unparalleled customer support. As an aerospace system designer, you’re solving challenging, high-stakes problems. Lee Technical Sales Engineers will work with you directly, supplying industry-specific knowledge and experience. We’ll even provide innovative custom solutions to meet your requirements. Perhaps most importantly, all our parts are guaranteed by an industry-leading quality management system (QMS).
The Lee Company has enjoyed decades-long relationships with every tier one designer of hydraulic, fuel, and lubrication systems for aerospace and defense applications. We’ve sustained these relationships due to our long track record of providing the optimal balance of performance, quality, price, and delivery. As a result, each product in our catalogue, from the Lee Plug® — the industry-standard sealing solution since the 1960s — to innovative technology such as the Visco flow restrictor and the laser-drilled safety screen, meets this exacting standard.
Thanks to our first-class engineering support, even our custom products meet The Lee Company’s high standards for performance, quality, price, and delivery – which helps you keep your costs low.
Meanwhile, all components are manufactured under a benchmark QMS and put through extensive qualification and acceptance testing. Finally, our designs have been field-proven in thousands of locations on every type of aircraft, from business jets to military rotorcraft. In short, our engineering solutions help you save time, reduce risk, and lower overall development costs throughout the lifespan of your programme.
Learn about the problems we’ve solved, the solutions we’ve provided, and how our work has convinced top-tier fluid system designers to choose The Lee Company for decades.
The most reliable technology to seal passages in any manifold or housing under any condition.
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Guaranteed performance with proven flow metering solutions for your mission-critical applications.
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Accurately direct flow or spray patterns for cooling, lubrication, atomising and coating.
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Accurate control and reliable pressure protection in systems with varying pressure conditions.
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Superior reliability and performance in a miniature package for electrically controlled valves.
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Robust designs for reliable protection against rogue contamination and debris.
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