APOLLO SATURN LAUNCH UMBILICAL SWITCH.
Switch and sensor assembly, manufactured by Kinetics Corp. of Solana Beach, CA, approximately 11 inches long x 2 inches wide at the top. Label reading in part "Switch, Sensor, Lift-off, Umbilical ... Contract Number NAS8-5608," dated December 9, 1971. Several inspection stamps.
This switch would command release of a particular launch pad umbilical away from the Apollo Saturn rocket when lift-off motion was detected.