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
Reference imageConfirm configuration by manufacturer part number.
Festo
211291
Union nut MCK-PK-4-KU
This Festo industrial component, part number 211291, features an internal thread of M10x1 and operates within a pressure range of 0 MPa to 1 MPa (0 bar to 10 bar, 0 psi to 145 psi) across an ambient temperature range of -10 °C to 60 °C. The pneumatic connection accommodates either 6 mm outside diameter pneumatic tubing or a barbed fitting with a 4 mm inside diameter using a POM union nut. Built with RoHS-compliant materials, the assembly conforms to VDMA24364-B2-L LABS (PWIS) standards. Please 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
- 211291
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 211291.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Size
- Internal thread M10x1
- Operating pressure for entire temperature range
- 0 MPa...1 MPa | 0 bar...10 bar | 0 psi...145 psi
- LABS (PWIS) conformity
- VDMA24364-B2-L
- Ambient temperature
- -10 °C...60 °C
- Pneumatic connection 1
- For pneumatic tubing outside diameter 6 mm | For barbed tting, inside diameter 4 mm, with union nut
- Material of union nut
- POM
- Note on materials
- RoHS compliant
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 211291. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.