MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range from -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various configurations, including front and rear wall mount, jam nut, and box mount receptacles, they meet the stringent requirements of military specification MIL-DTL-38999 II. Constructed with aluminum shells and offering a range of plating options, such as gold, electroless nickel, and cadmium finishes, these connectors ensure durability and conductivity. Utilizing M39029 rear release crimp contacts, they guarantee secure connections with a mating life of 500 cycles. Suitable for applications demanding high reliability, these connectors provide excellent ingress protection and are RoHS compliant.