The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 gold-plated contacts in a rugged aluminum shell. With a wide operating temperature range of -65°C to 200°C, these circular receptacles ensure reliable performance in extreme conditions. Available in various mounting styles including wall mount and jam nut, they offer versatility for different applications. The connectors meet stringent military specifications for durability and are RoHS compliant, making them suitable for a wide range of industries requiring high-performance connectivity solutions.