The 09-9129-1-0212 is an insulated standard banana panel jack manufactured by Concord Electronics for reliable electrical connections. It features a brass body with nickel plating, nylon insulation, and accepts standard banana plugs with an overall length of 0.922 inches and minimum hole depth of 0.670 inches. The jack mounts via thread mount using a 1/4-32 nut through a 0.312-inch diameter hole (±0.002 inches) drilled with a 5/16-inch drill size, accommodating panel thicknesses up to 5/16 inches. The unit is supplied with a molded nylon cap, washer, nickel-plated brass hex nut, and electro-tin plated brass solder lug, making it suitable for instrumentation panels, test equipment, and laboratory applications requiring secure, insulated electrical connections. This product is RoHS compliant and designed for precision-machined engineering solutions.