Aeroquip FCM3555 -04 AN Female Tube Nut Blue Anodized Aluminum

The Aeroquip FCM3555 is a -04 AN female tube nut manufactured from blue anodized aluminum for high-performance hydraulic and fuel line applications. This precision-engineered fitting component is designed to work seamlessly with Aeroquip tube sleeves to create secure, leak-free connections in hard line plumbing systems.

Key Features:

• -04 AN thread size for compatibility with standard AN fittings
• Blue anodized aluminum construction for corrosion resistance and lightweight performance
• Female configuration designed for use with matching tube sleeves
• Engineered to stringent tolerances for reliable sealing and durability
• Ideal for automotive, racing, aerospace, and industrial hydraulic applications

Important: Tube nuts and tube sleeves must be used together as a matched set. Aeroquip recommends using only Aeroquip components together to maintain proper tolerances, ensure warranty coverage, and achieve optimal performance. Mixing components from different manufacturers can compromise system integrity and void product warranties.

Backed by over 80 years of hydraulic and performance plumbing expertise, Aeroquip fittings are engineered and tested to exacting safety standards. All Aeroquip fittings and adapters are distributed from their Van Wert, Ohio facility, ensuring quality control and reliable availability for professional installers and enthusiasts alike.