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
576139
Stopper cylinder DFSP-Q-40-25-DF-PA
The Festo 576139 is a double-acting industrial component featuring a 40 mm piston diameter, a 25 mm stroke, and an internal M8 piston rod thread with an anti-twist flattened design. Built with elastic cushioning rings at both ends and a profile barrel, it operates on compressed air within a pressure range of 1 bar to 10 bar and an ambient temperature range of -10 °C to 80 °C. This unit provides position sensing via proximity switch, achieves ISO 14644-1 Class 5 cleanroom suitability, and withstands a permissible impact force of 5540 N on the advanced piston rod alongside a 1108 N lateral force during switching. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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
- 576139
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 576139.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Stroke
- 25 mm
- Piston diameter
- 40 mm
- Piston rod thread
- M8
- Cushioning
- Elastic cushioning rings/pads at both ends
- Mounting position
- Any
- Mode of operation
- Double-acting
- Structural design
- Piston | Piston rod | Prole barrel | Anti-twist feature
- Position sensing
- Via proximity switch
- Piston rod end
- Internal thread
- Variants
- Internal thread on piston rod | Piston rod secured against twisting
- Protection against torsion/guide
- Flattened piston rod
- Operating pressure
- 0.1 MPa...1 MPa | 1 bar...10 bar
- Operating medium
- Compressed air as per ISO 8573-1:2010 [7:4:4]
- Information on operating and pilot media
- Operation with oil lubrication possible (required for further use)
- Corrosion resistance class (CRC)
- 2 - Moderate corrosion stress
- LABS (PWIS) conformity
- VDMA24364-B1/B2-L
- Cleanroom suitability, measured according to ISO 14644-14
- Class 5 according to ISO 14644-1
- Ambient temperature
- -10 °C...80 °C
- Permissible impact force on the advanced piston rod
- 5540 N
- Permissible lateral force during switching operation
- 1108 N
- Max. cycle rate
- 5 Hz
- Type of mounting
- Alternatively: | With through-hole | With internal thread | With accessories
- Pneumatic connection
- G1/8
- Note on materials
- RoHS compliant
- Flange screws material
- Steel, galvanized
- Cover material
- Wrought aluminum alloy
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 576139. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.