Profile: Precision Mechanisms Corp. specializes in providing cam switches, rotary actuators and servo mechanism products. The PMC model CS 402 cam switch includes conventional plate cam, cam follower and snap-action switch. The external screwdriver adjustments permit rapid setting of any desired switch make angle. It is designed for timing, indication, control, computation and other applications where snap action switching is required. Our cam switches are used in aerospace, industrial and special applications. We are an ISO 9001 certified company.