The MC8MS9P1B05M1QE is a single-pole single-throw (SPST) subminiature Pushbutton Switch with silver plated brass solder lug termination, OFF-Momentary function, 3.94-inch high actuator, 5.59-inch high flat nickel plated brass bushing (non-THD). This switch has silver plated contact, stainless steel housing and black thermoplastic polyester plunger.
Epoxy seal (standard)
20mR at 2 to 4VDC 100mA Maximum initial contact resistance