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Products/Festo/6253
Festo 6253 Quick connector CK-1/8-PK-3-KU
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Festo

6253

Quick connector CK-1/8-PK-3-KU

The Festo part number 6253 is a straight industrial component featuring a 2.4 mm nominal width, a G1/8 external thread, and a connection for a 4 mm outside diameter pneumatic tubing or a 3 mm inside diameter barbed fitting with a nut. Constructed with POM union nuts and screwed plugs utilizing a sealing edge, this component operates across a pressure range of -0.95 bar to 10 bar for compressed air and up to 0.6 MPa for water at a maximum of 50 °C. It accommodates an ambient temperature range of -10 °C to 60 °C, requires a nominal tightening torque of 3.25 Nm with a ±20% tolerance, and is supplied in a pack size of 10. Submit the exact part number, quantity, and application requirements for a quote.

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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
6253
Data verification
Manufacturer evidence reviewed

For a faster response, include quantity, condition, and delivery destination.

Exact part-number verificationTechnical properties are matched to 6253.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.

Verified configuration

Technical Specifications

Nominal width
2.4 mm
Type of seal on screwed plug
Sealing edge
Mounting position
Any
Design
Straight design
Pack size
10
Operating pressure for entire temperature range
-0.095 MPa...1 MPa | -0.95 bar...10 bar | -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:-:-] | Water (liquid, ice-free)
Information on operating and pilot media
Lubricated operation possible
LABS (PWIS) conformity
VDMA24364-B1/B2-L
Ambient temperature
-10 °C...60 °C
Nominal tightening torque
3.25 Nm
Tolerance for nominal tightening torque
±20%
Pneumatic connection 1
External thread G1/8
Pneumatic connection 2
for pneumatic tubing outside diameter 4 mm | for barbed tting, inside diameter 3 mm, with nut
Material of union nut
POM
Material of screwed plug
POM
Note on materials
RoHS compliant

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 6253. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.