U589 is a silicone pushbutton sealing boot designed to prevent dust, sand, and water from entering switches. It features a hex nut with nickel-plated finish and is compatible with bushings measuring Ø 11.9-32 NS (15/32-32 UNS), specifically for 13000X778, 13000X768, and 8000-6X934 series switches. The boot is manufactured from silicone material, offering excellent performance across a wide operating temperature range of -40°C to +85°C, with superior elasticity and temperature range capabilities compared to neoprene alternatives. This sealing boot is ideal for industrial and panel-mounted switch applications where environmental protection and reliable operation in extreme temperatures are essential.