The MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in an insert for secure connectivity. With a wide operating temperature range of -65°C to 200°C, these connectors are suitable for harsh conditions. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. Constructed with aluminum shells and offering multiple plating options, including cadmium-free finishes, they ensure durability and reliability. With MIL-DTL-38999 II certification, these circular connectors are ideal for military and aerospace applications requiring high performance and environmental resistance.