1TL1-7, MS24523-27. Honeywell environmentally sealed military- grade toggle switch. 1 pole, 3 position, Screw terminal, Standard Lever. 1TL1-7 has Momentary ON-OFF-Momentary ON SPDT circuitry and is mil spec to MS24523-27. Because of our buying power, we can pass along special prices to you on the 1TL1-7. Features MOMENTARY ON-OFF-MOMENTARY ON circuitry.