The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in a sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various mounting styles like front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility in application. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Constructed with aluminum shells and plated with options like gold and electroless nickel, they meet military specifications for durability. Perfect for aerospace, defense, and industrial use, these connectors guarantee high performance and longevity.