The MIL-DTL-38999 Series II connectors are designed for demanding environments, featuring up to 128 contacts in an insert and offering reliable performance in temperatures ranging from -65°C to 200°C. These connectors, with various mounting options including front and rear wall mount, jam nut, and box mount receptacles, are ideal for applications requiring secure and efficient electrical connections. Compliant with military specification MIL-DTL-38999 II, they ensure durability and performance under harsh conditions. With options for gold contact plating and multiple shell sizes, these connectors provide versatility for a wide range of industrial and military applications. Made from aluminum with various plating options, they offer enhanced protection against corrosion and environmental factors. The connectors, incorporating removable crimp contacts, feature a bayonet coupling for easy and secure mating. Whether for EMI/RFI shielding or general connectivity needs, these MIL-DTL-38999 Series II connectors are a reliable choice for ensuring signal integrity and performance in critical systems.