Parker Stratoflex Nutlok Fittings for the Aerospace Industry

Stratoflex Nutlok™ Fittings are precision-engineered to provide high-strength, leak-free connections in critical aerospace fluid systems. Designed for hydraulic, fuel, and fluid transfer applications, Nutlok™ fittings ensure secure, vibration-resistant performance under the demanding conditions of modern aircraft and defence systems.

Nutlok™ is one of the first self-locking fitting systems that requires no special features in the male half of any assembly. This innovative design allows for reduced weight, envelope, and cost compared to other lock-wireless fitting assemblies. The locking function occurs automatically and transparently to the mechanic, requiring no special techniques, tools, or tightening torque specifications, simplifying installation and maintenance while maintaining system integrity.

Manufactured to aerospace-grade standards, Stratoflex Nutlok™ Fittings provide durability, corrosion resistance, and long service life, supporting consistent performance in high-pressure and high-vibration environments. 

Key Features

• Self-Locking Design: Automatic locking without special tools or torque requirements
• High-Strength Connection: Maintains fluid system integrity under extreme pressures and vibrations
• Leak-Free Performance: Prevents fluid loss and contamination in critical hydraulic and fuel systems
• Aerospace-Grade Materials: Corrosion-resistant construction for long-term durability
• Precision Fit: Compatible with a wide range of aerospace hoses, tubes, and components

Applications

• Aircraft hydraulic and fuel systems
• Flight control and actuation circuits
• Environmental control and cooling systems
• Ground support and maintenance equipment
• Defence and commercial aerospace fluid systems

Downloads:

Nutlok™ Fittings PDF