MIL-DTL-38999 Series II connectors feature up to 128 contacts within an environmentally sealed insert, ideal for harsh environments. With an operating temperature ranging from -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they ensure versatile installation. Crafted with aluminum shells and offering multiple plating choices including gold and electroless nickel, these connectors meet stringent military specifications. Their durable construction, utilizing M39029 rear release crimp contacts, guarantees secure connectivity. Designed for high reliability with a mating life of 500 cycles, these connectors are essential for aerospace, defense, and industrial applications.