Festo QSML-M5-4 Push-in L-Fitting

Description

The Festo QSML-M5-4 is a high-quality, swivelling push-in L-fitting designed for reliable and flexible pneumatic tubing connections. This component allows for a secure 90-degree connection between an M5 male thread and a 4mm outer diameter tube. The swivel capability allows for easy installation and alignment in confined spaces.

Specifications

• Manufacturer: Festo
• Part Number: 153333
• Model: QSML-M5-4
• Type: Swivelling L push-in fitting
• Pneumatic Connection 1: Male thread M5
• Pneumatic Connection 2: For tubing with 4mm outside diameter
• Operating Pressure: -0.95 to 10 bar
• Operating Medium: Compressed air in accordance with ISO 8573-1:2010 [7:-:-]
• Ambient Temperature: -10 to 80 deg C
• Materials: Nickel-plated brass, PBT housing

Label Info

• Model: qsml-m5-4
• Part No: 153333
• Production Date: 3-3-2020

Application

This fitting is ideal for use in industrial automation, machine building, and robotics where compact and reliable pneumatic connections are required. Its swivel design is particularly useful for orienting tubing without introducing mechanical stress.

Country of Origin

This product is typically manufactured in Germany.

CO2 Impact

Opting for this pre-owned component avoids the emission of approximately 0.22 kg of CO2, which is comparable to fully charging a smartphone more than 26 times. Your choice supports a more sustainable industrial sector.

Availability

This item is in stock and ready for immediate dispatch. Order now from PLC2Day for expert support and fast delivery.

FAQ

What is the recommended tubing material for the QSML-M5-4 fitting?

Festo recommends using their standard PUN, PAN, or PEN tubing for optimal performance and sealing with the QSML series. Using tubing with a calibrated outer diameter of 4mm is crucial for a secure connection.

Yes, the Festo QSML-M5-4 is rated for vacuum applications down to -0.95 bar (-0.095 MPa), making it suitable for both pressure and vacuum systems.

The swivel function allows the fitting to be rotated 360 degrees after being tightened. This simplifies installation in tight spaces and allows for precise alignment of the pneumatic tubing without stressing the connection.

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Last Update: Friday, March 13, 2026