Product Overview

The FESTO QS-3/8-6 (PN: 190645) is a high-performance push-in pneumatic fitting designed for fast, secure, and leak-free connection of polyurethane (PU) tubing in compressed air systems. Featuring a R3/8 male thread with external hex for easy installation and a 6mm tube OD push-in port, this fitting delivers reliable performance in industrial automation, pneumatic control, and fluid handling applications. Manufactured by FESTO, a global leader in automation technology, it meets strict quality standards for long service life even in demanding operating environments.

Key Features

• Genuine FESTO OEM push-in fitting, part number 190645, model QS-3/8-6
• R3/8 male thread with external hex design for quick, tool-tightened installation
• 6mm outer diameter PU tube compatibility with tool-free push-in connection
• High-quality corrosion-resistant body material for extended service life
• Leak-proof sealing performance under rated pneumatic operating pressure
• Compact structure suitable for space-constrained industrial automation systems
• Wide operating temperature range for diverse industrial application scenarios

Specifications

Applications

This FESTO QS series push-in fitting is widely used across multiple industrial sectors, including but not limited to:

• Industrial automation production lines and pneumatic control systems
• Compressed air distribution systems in manufacturing workshops
• Pneumatic actuator and valve connection assemblies
• Packaging machinery, food processing equipment, and textile machinery
• Automotive manufacturing and assembly line pneumatic systems
• Robotics and automated handling equipment

Package Contents

• 1 x FESTO QS-3/8-6 Push-In Pneumatic Fitting (PN: 190645)