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.

SMC
The SMC SN-040B is an industrial component classified as a cylinder mounting nut. This SMC part number secures pneumatic cylinder installations according to factory specifications. Request a quote by submitting the exact part number, quantity, and application requirements.
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 SMC SN-040B. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.