MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts and environmental sealing for reliable performance. With an operating temperature range of -65 °C to 200 °C, these connectors are suitable for a wide range of applications. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they offer flexibility in installation. Utilizing M39029 rear release crimp contacts, these connectors ensure secure connections. Constructed with aluminum shells and offered in different plating options, they meet stringent military specifications. RoHS certified finishes are available, making them environmentally friendly. Suitable for use in demanding conditions, these connectors are ideal for aerospace, defense, and industrial applications.