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 525979 is a round, deep industrial component featuring a 50 mm suction cup diameter, 11.2 cm³ suction cup volume, and an 8 mm height compensator with a 72 +/-5 Shore hardness in reddish brown. Operating at a nominal operating pressure of -0.7 bar within a range of -0.95 bar to 0 bar, it delivers a holding force of 97 N and a lateral force of 30 N using atmospheric air based on ISO 8573-1:2010 [7:-:-]. This 21 g unit is mountable in any position via its G1/4 vacuum connection and features a nominal width of 2.5 mm, a minimum workpiece radius of 40 mm, moderate corrosion resistance class 2, and VDMA24364-A1-L LABS conformity for ambient temperatures between -10 °C and 80 °C. Request a quote by submitting the exact part number, quantity, and application requirements.
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 525979. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.