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.
Global industrial sourcing · Houston, Texas info@mropartsrfq.com
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Festo
3561
Quick connector CK-M5-PK-3
The Festo 3561 is a straight industrial component featuring a 2 mm nominal width, an external thread M5 pneumatic connection 1, and a pneumatic connection 2 for 4 mm outside diameter tubing or 3 mm inside diameter barbed fittings with a nut. It operates within a pressure range of -0.95 bar to 10 bar (-13.775 psi to 145 psi) and an ambient temperature range of -10 °C to 60 °C using compressed air per ISO 8573-1:2010 [7:-:-]. Constructed with a galvanized steel screwed plug, an anodized wrought aluminum alloy union nut, and an NBR and high-alloy stainless steel sealing ring, this part supports a nominal tightening torque of 1.33 Nm with a ±20% tolerance in any mounting position. Submit the exact part number, quantity, and application requirements to request a quote.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a QuoteWhy no listed price?
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
- 3561
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 3561.
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 mm
- Type of seal on screwed plug
- Sealing ring
- 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
- Operating medium
- Compressed air as per ISO 8573-1:2010 [7:-:-]
- Information on operating and pilot media
- Lubricated operation 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
- 1.33 Nm
- Tolerance for nominal tightening torque
- ±20%
- Pneumatic connection 1
- External thread M5
- Pneumatic connection 2
- for pneumatic tubing outside diameter 4 mm | for barbed tting, inside diameter 3 mm, with nut
- Material of union nut
- Wrought aluminum alloy, anodized
- Material of screwed plug
- Galvanized steel
- Note on materials
- RoHS compliant
- Sealing ring material
- NBR | high-alloy stainless steel
Engineering context
Identification and RFQ Guidance
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 3561. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.