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 from -65°C to 200°C, these connectors offer reliable performance in extreme conditions. Available in various mounting styles, including front and rear wall mount, as well as jam nut configurations, they provide versatility for different applications. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and efficient connections. Constructed with aluminum shells and offering plating options such as electroless nickel and cadmium finishes, they meet stringent military specifications. Ideal for demanding environments, these connectors provide durable and reliable connectivity for a wide range of applications.