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Festo
158979
Bellows suction cup VASB-40-1/4-SI
The Festo 158979 is an industrial component featuring a 40 mm round, bellows 1.5 convolutions suction cup with a 4 mm nominal size, 32 mm effective suction diameter, and 60 +/- 5 Shore hardness VMQ silicon construction mated to a wrought aluminum alloy screw-in stud. Operating with compressed air in accordance with ISO8573-1:2010 [7:-:-] across an ambient temperature range of -40 to 200 °C, this unit provides a breakaway force of 56 N at 70% vacuum via a G1/4 vacuum connection and G1/4 suction cup mounting. Weighing 16 g and incorporating PWIS substances, the assembly utilizes a top vacuum connection design structure. Submit the exact part number, quantity, and application requirements to request a quote.
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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
- 158979
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 158979.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Nominal size
- 4 mm
- suction cup diameter
- 40 mm
- Effective suction diameter
- 32 mm
- Design structure
- Vacuum connection at top | round, bellows 1.5 convolutions
- Operating medium
- Compressed air in accordance with ISO8573-1:2010 [7:-:-]
- Ambient temperature
- -40 ... 200 °C
- Breakaway force at 70% vacuum
- 56 N
- Product weight
- 16 g
- Mounting thread
- G1/4
- suction cup mounting
- G 1/4
- Vacuum connection
- G1/4
- Shore hardness
- 60 +/- 5
- Materials information for screw-in stud
- Wrought Aluminum alloy
- Materials note
- Contains PWIS substances
- Materials information for suction cup
- VMQ (silicon)
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 158979. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.