The SparkFun COM-08184 is a surface mount 3-way switch.
These switches are commonly found on handheld devices like MP3 players. This switch allows the user to navigate using up and down selections then select by pressing the plastic piece inwards. Capable of swtiching up to 1.2VA (360mA at 3.3V and 240mA at 5V).
There is a breakout board with the surface mount navigation switch available part # COM-08236.