Factory sealed incandescent pilot light with jewel and guard. For N1 and N2 series control stations. Pilot lights provide visual assurance that an electrical function is being performed at a remote or local hazardous location, type SFF-2 pigtail leads, body has 3/4 inch straight thread (NPSM), excellent resistance to ultraviolet light and water, excellent conduit connection strength, excellent resistance to attack by fungi and mold. For use in diethyl ether, methyl ethyl keytone, acetone, toluene, number 3 fuel oil, ammonium hydroxide, benzene, regular unleaded gas, ethyl acetate, hexane, methanol atmospheres.