LCK-1/4-PK-6 – Elbow Quick Connector – Festo Pneumatic Fittings

USD $ 11.76 USD $ 9.64

SKU: Festo 4472

Manufacturer Part Number: Festo 4472
Festo Pneumatic Fittings: LCK-1/4-PK-6
OEM Spec Ref 

The Festo LCK-1/4-PK-6, with MPN 4472, is a highly efficient pneumatic fitting designed to facilitate secure and leak-proof connections in diverse pneumatic systems. Tailored for versatility and performance, this fitting is an indispensable component in both automation and manual pneumatic applications, ensuring reliable connectivity and streamlined operations.

Key Features:

  • Secure Connections: Specially engineered to create tight and secure tube connections, preventing leaks and ensuring uninterrupted pneumatic performance.
  • High-quality Materials: Made from robust materials, the LCK-1/4-PK-6 is built to endure the challenging conditions of industrial environments, providing durability and reliability.
  • Easy Installation: Designed for quick and hassle-free installation, facilitating rapid assembly and maintenance without the need for specialized tools.
  • Versatility: Compatible with a wide array of tubing diameters and types, this fitting offers exceptional adaptability to meet various application requirements.
  • Compact Design: Its sleek, compact design allows for integration into tight spaces, making it ideal for complex pneumatic circuits or systems with limited space.


  • Enhanced Operational Reliability: By ensuring secure and robust connections, it reduces the risk of system failures and downtime, enhancing overall operational reliability.
  • Reduced Maintenance Costs: Durable construction and easy installation translate to lower maintenance costs and fewer replacements over time.
  • Improved System Performance: Optimal fittings contribute to maintaining consistent pressure and flow within systems, optimizing performance and efficiency.
  • Increased Safety: Secure connections minimize potential leaks and failures, enhancing safety in pneumatic operations across various industrial settings.


  • Automation Systems: Crucial for achieving reliable and efficient pneumatic connections in automated production lines.
  • Assembly Operations: Ensures secure tubing connections, crucial for maintaining operational integrity in assembly processes.
  • Maintenance and Repair: Ideal for both routine maintenance and emergency repairs within pneumatic systems, ensuring quick and effective solutions.
  • General Pneumatics: Suitable for a broad range of applications in various industries where reliable pneumatic performance is essential.

The Festo LCK-1/4-PK-6 pneumatic fitting is a testament to Festo’s commitment to innovation and excellence in pneumatic technology, offering a robust and versatile solution for enhancing the functionality and reliability of pneumatic systems.

Technical Data

Feature Specification
Nominal width 4.9 mm
Type of seal on screwed plug Sealing ring
Mounting position Any
Design L-shape
Pack size 10
Operating pressure for entire temperature range -0.095 MPa … 1 MPa
Operating pressure for entire temperature range -0.95 bar … 10 bar
Operating pressure for entire temperature range -13.775 psi … 145 psi
Information on operating pressure Water: max. 0.6 MPa at max. 50 °C
Operating medium Compressed air as per ISO 8573-1:2010 [7:-:-]
Information on operating and pilot media Operation with oil lubrication possible
Corrosion resistance class (CRC) 1 – Low corrosion stress
LABS (PWIS) conformity VDMA24364-B1/B2-L
Ambient temperature -10 °C … 60 °C
Nominal tightening torque 11 Nm
Tolerance for nominal tightening torque ± 10%
Pneumatic connection 1 External thread G1/4
Pneumatic connection 2 for pneumatic tubing outside diameter 8 mm
for barbed fitting, inside diameter 6 mm, with nut
Material of union nut Wrought aluminum alloy, anodized
Note on materials RoHS-compliant
Sealing ring material Reinforced PA
Hollow bolt material Wrought aluminum alloy, anodized
Swivel joint material Die-cast zinc