Vishay has introduced panel potentiometers that are stiffer to rotate, to reduce the chances of operation accidentally or though shock or vibration. Behind the panel, the bodies are 12.5 x 12.5mm, and they are modular, allowing up to seven potentiometers to be stacked on the back of a single shaft. Various switch modules can be ...

This story continues at Panel potentiometers are stiffer to resist accidental rotation

Or just read more coverage at Electronics Weekly