The Cole Hersee Push-Button Switch 5A for Momentary Grounding 92118-06 features one blade terminal, gasket-sealed case and 3/8" -24 UNF-2A thread, 1/4" long (3.18mm). Rated at 5A at 24V DC. Self-grounding in metal panels. contacts normally open. Contacts close (terminal to ground) with plunger depressed, spring return to open.