1SX12-T - 

Honeywell Micro Switch™ - SX Series Subminiature Basic Switch
The SX series has been designed as a subminiature basic switch ideal for applications where space and weight is at a premium. They are small, precision snap-action switches used for simple on/off application needs. Potential Applications: Aerospace Appliances Vending machines Timing devices Office equipment Computer/business equipment Test instruments Medical/dental equipment Communications equipment HVAC equipment Manually operated devices Valves