MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in an insert. With environmental sealing and an operating range of -65 °C to 200 °C, they ensure reliable performance in harsh conditions. Available in various configurations like front and rear wall mounts, jam nuts, and box mounts, these connectors offer versatility in installation. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. Constructed with aluminum shells and plated with options like cadmium and nickel, they meet stringent military specifications. Suitable for military, aerospace, and industrial applications, the MIL-DTL-38999 II connectors provide durable connectivity in demanding settings.