MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65°C to 200°C. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility in installation. With 52 insert arrangements and M39029 rear release crimp contacts, they ensure reliable connectivity. Made of aluminum with plating options such as electroless nickel and cadmium finishes, they meet stringent military specifications for durability. Suitable for applications requiring high-performance in challenging conditions, these connectors guarantee secure and efficient electrical connections.