Special Features:

Item base is small rectangle with lip on three sides to permit holding in place by a face plate. Lip measures 0.5 inches by 0.290 inches. Keyed to fit on a plunger.

Properties:

An item which constitutes the detachable portion of a switch, circuit breaker, controller, motor starter actuator or items equipped with a key type station selector device etc, upon which the pushing pressure is applied to operate the item. It may be of any shape or design and may include a detachable top, marked with letter(s), numeral(s), or other characters, and/or a plunger or rod as an integral or detachable part. Excludes knob; handle, switch; bar actuator, electrical switch and keytop, keyboard.