The M3786/4-1031 is a single-shaft rotary switch from the Series 42 and 44 family, qualified to military specification MIL-DTL-3786/4, style SR04-1. This switch is constructed with diallyl phthalate molded parts for exceptional performance in harsh conditions. Depending on the specific style, it is qualified for operation from -65°C to 85°C (unsealed) or -65°C to 125°C (sealed), with available angles of throw including 30°, 36°, 45°, 60°, and 90°. It meets military standards for moisture resistance, shock, vibration, and terminal pull, making it suitable for military equipment, aerospace systems, and other critical applications requiring a rugged and reliable switching solution.