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.
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Festo
556859
Plug screw QSC-F-G3/8-I
The Festo 556859 is an industrial component featuring a standard size, a sealing ring on the screw-in stud, and a chromium- and nickel-plated brass housing with FPM thread and tubing seals. It operates within a temperature range of 0 to 150 °C at pressures from -0.95 to 16 bar using compressed air conforming to ISO8573-1:2010 [7:-:-], supporting lubricated operation with a maximum tightening torque of 25 Nm. This RoHS-conforming unit weighs 15 g, holds a corrosion resistance classification CRC of 3, meets food safety requirements according to the manufacturer's declaration, and carries Germanischer Lloyd authorization. Submit the exact part number, quantity, and application requirements to request a quote.
Request pricing and availabilityCommercial response for your destination and required quantity.
Request a Quote- Manufacturer
- Festo
- Part number
- 556859
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 556859.
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
- Type of seal on screw-in stud
- Sealing ring
- Operating pressure complete temperature range
- -0.95 ... 16 bar
- Operating medium
- Compressed air in accordance with ISO8573-1:2010 [7:-:-]
- Note on operating and pilot medium
- Lubricated operation possible
- Corrosion resistance classification CRC
- 3
- Food safety
- to manufacturer's declaration
- Ambient temperature
- 0 ... 150 °C
- Authorization
- Germanischer Lloyd
- Max. tightening torque
- 25 Nm
- Product weight
- 15 g
- Materials note
- Conforms to RoHS
- Materials information, housing
- Brass | Chromium and nickel plated
- Materials information for thread seal
- FPM
- Materials information for tubing seal
- FPM
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 556859. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.