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.

Festo
The Festo part number 557661 is an industrial component featuring a wrought aluminum alloy manifold rail with a width dimension of 12 mm and a product weight of 890 g. This assembly accommodates a maximum of 12 valve positions and includes G1/4 pneumatic connections for ports 1, 3, and 5. It is rated for corrosion resistance class CRC 0 with VDMA24364-B1/B2-L LABS conformity and RoHS-compliant materials, requiring a maximum tightening torque of 0.6 Nm for valve mounting and 5 Nm for wall mounting. Submit the exact part number, quantity, and application requirements for a formal quotation.
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.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
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.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Festo 557661. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.