1TL1-2, MS24523-22 Honeywell Environmentally sealed military- grade toggle switch. 1TL1-2 is a 1 pole, 2 position, Screw terminal, Standard Lever. 1TL1-2 offers OFF-NONE-ON SPST circuitry. Mil qualified to MS24523-22, the 1TL1-2 is also an excellent switch for industrial machinery and equipment, military and commercial aviation, construction equipment, test instruments, agricultural machinery, process control, medical instrumentation and marine applications. We are pleased to make this military / aerospace grade toggle switch available to you at commercial toggle switch prices. Features OFF-NONE-ON circuitry.