Festo QST Series Tee Tube-to-Tube Adaptor Push In 4 mm, Push In 4 mm to Push In 4 mm, Tube-to-Tube Connection Style,

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Subtotal (1 bag of 10 units)*

£46.46

(exc. VAT)

£55.75

(inc. VAT)

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  • 22 unit(s) ready to ship
  • Plus 28 unit(s) ready to ship from another location
  • Plus 17 unit(s) shipping from 20 October 2025
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Bag(s)
Per Bag
Per unit*
1 - 4£46.46£4.646
5 - 9£44.61£4.461
10 +£42.75£4.275

*price indicative

RS Stock No.:
121-5976
Mfr. Part No.:
QST-4
Brand:
Festo
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Brand

Festo

Connector A

Push In 4 mm

Connector B

Push In 4 mm

Pneumatic Fitting Type

Tee Tube-to-Tube Adaptor

Connection Style

Tube-to-Tube

Manufacturer Series

QST

Model Number p

153128

Mounting Type

Inline

Maximum Operating Temperature

+80°C

Body Material

PBT

Maximum Operating Pressure

14 bar

Minimum Operating Temperature

-10°C

COO (Country of Origin):
JP

FESTO QST Push-in T Connector


The Quick Star QST range offer a convenient push-in fitting system for compressed air and water with over 1000+ types of standard and function fittings. These high quality T connectors are available in various sizes and configurations including equal, reducing and miniature size to suit your tubing diameter, they offer both a secure and reliable connection.

Features and Benefits


• Maximum flexibility for each pneumatic fitting
• Effortless, quick and simple push-in installation
• Tube to tube (hose) connection style for use in pneumatic applications
• Wide operating temperature range of -10 to +80°C
• Air pressure ranges of up to 14 bar
• Available with a variety of different diameter connector sizes
• Strong and durable thermoplastic (PBT)

Approvals

Festo QST-4 Push-In T-Shape Pneumatic Fitting


The QST-4 from Festo is a high quality pneumatic connector which offers both maximum flexibility and quick installation due to the convenient push-in T-shape fitting type.

Features and Benefits


• QS Series
• T shape fitting
• Tubing size O.D 4 mm port 1 connection
• Tubing size O.D 4 mm port 2 connection
• Push in type ensuring quick and simple installation
• Tube to tube style connection
• High performing and durable thermoplastic (PBT)
• Any mounting position

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