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Products/Festo/153644
Festo 153644 Push-in/threaded L-fitting QSL-1/4-1/4-U
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Festo

153644

Push-in/threaded L-fitting QSL-1/4-1/4-U

This Festo industrial component, part number 153644, features a standard size with a 3.6 mm nominal size and utilizes a push/pull design structure with a coated screw-in stud seal. Operating via the NPT1/4-18 pneumatic connection for 1/4" outside diameter tubing, the unit handles a working pressure and temperature-dependent working pressure of -0.95 to 10 bar across an ambient temperature range of -10 to 60 °C. The assembly incorporates a PBT housing, POM grey release ring, NBR tubing seal, and high alloy non-corrosive steel hose clamping segment, supporting filtered compressed air and vacuum media with a maximum tightening torque of 14 Nm. Submit the exact part number, quantity, and application requirements to receive a formal quotation for this Germanischer Lloyd authorized and RoHS-compliant part.

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Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.

Manufacturer
Festo
Part number
153644
Data verification
Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 153644.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.

Verified configuration

Technical Specifications

Size
Standard
Nominal size
3.6 mm
Type of seal on screw-in stud
coating
Assembly position
Any
Container size
1
Design structure
Push/pull principle
Working pressure
-0.95 ... 10 bar
Temperature dependent working pressure
-0.95 ... 10 bar
Operating medium
Filtered compressed air | Vacuum
Corrosion resistance classification CRC
1
Ambient temperature
-10 ... 60 °C
Authorization
Germanischer Lloyd
Max. tightening torque
14 Nm
Pneumatic connection
NPT1/4-18 | for tubing, 1/4" outside diameter
color of release ring
Grey
Materials note
Conforms to RoHS
Materials information, housing
PBT
Release ring material data
POM
Materials information for tubing seal
NBR
Hose clamping segment material data
High alloy steel, non-corrosive

Engineering context

Identification and RFQ Guidance

Confirm the exact configuration

Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

What to include in your RFQ

Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.

Technical verification

Our sourcing response is prepared against Festo 153644. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.