The AH165-TGFG11 is an oil-tight illuminated pushbutton switch manufactured by Fuji Electric, designed for use in harsh industrial environments including machine tools, control panels, and distribution panels. It features a flush rectangular head with guard operator and flat LED lamp, providing visual feedback during operation. The switch is available in momentary and alternate action configurations with contact options of 1NO+1NC, 2NO+2NC, or 3NO+3NC, and operates at 24V DC with a consumption of 14 mA for the LED indicator. The oil-tight design (AH165 series) ensures reliable performance in environments with exposure to oils and other contaminants, making it suitable for complex multifunctional control applications requiring enhanced durability and safety.