Special Features:

Mounting configuration: one 0.2195 inch diameter center shaft hole; four 0.0776 inch diameter mounting holes; outside holes spaced 1.280 inch center to center; inside holes spaced 0.684 inch center to center; one open slot 0.250 inch long by 0.250 inch wide; steel lever spheroidized annealed; heat treated to rockwell c-53 - c-57; stainless steel stud; passivated; 0.186 inch long; 0.075 inch diameter

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.