PE2-21221, M8805/99-026. Splash proof, Momentary Action, Military Grade push button switch MIL-PRF-8805/99. The PE2 is a rugged sealed switch; it meets high shock and vibration requirements and is ideal for tough environments. The PE2 is a momentary 2 circuit, DPDT, and has a 2A resistive 1.5A inductive 28VDC/115VAC rating. Black button, solder terminals.