Special Features:

Xmajor components: sensitive switch1; usage design: electrical circuit switch assembly; mounting configuration: two no. 2-56 threaded mounting holes spaced 0.265 inch center to center; switch is a spdt with four solder lug terminals

Properties:

Two or more different types of items having a common mounting or mounted on each other which together form a portion of a teletypewriter but which in itself is not a complete functioning item and cannot be assigned a more definite item name.