MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in a sealed insert. With a wide operating temperature range of -65 °C to 200 °C, they ensure reliable performance in harsh conditions. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. Crafted from aluminum with options for plating such as cadmium and electroless nickel, they meet stringent military specifications. RoHS compliant finishes are also available. Perfect for applications requiring durability and resilience, these connectors are essential for mission-critical operations.