MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in a sealed insert. With an operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various mounting styles, including jam nut and box mount, these connectors ensure secure connections. Constructed with aluminum shells and offering multiple plating options, they meet stringent military specifications. Utilizing M39029 rear release crimp contacts, they provide durable connectivity. Suitable for applications requiring high reliability, these connectors are ideal for aerospace, defense, and industrial uses.