MIL-DTL-38999 Series II connectors offer robust connectivity solutions, featuring up to 128 contacts within their environmentally sealed inserts. Designed for harsh environments, these connectors operate reliably in temperatures ranging from -65 °C to 200 °C. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. With 52 insert arrangements and M39029 rear release crimp contacts, customization is seamless. Crafted from durable aluminum and plated with options like electroless nickel and cadmium finishes, these connectors ensure long-lasting performance. Meeting stringent military specifications, they guarantee high reliability and conductivity, making them ideal for demanding applications.