Red video game and flipper cabinet pushbutton assembly used by many machines manufactured in the 70's & 80's.
Shaft length is 1-3/8 inches measured from end of actuator to underside of mounting flange.
Reference:
Williams 3A-7531-5 white
Williams 3A-7531-9 red
Early Stern A-711
Early Stern A-711-1
Gottleib 24293Z
22-1040-12