MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts within a secure insert. With an impressive operating temperature range of -65 °C to 200 °C, these connectors ensure reliable performance in harsh conditions. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. The connectors come in aluminum shells with a choice of plating options, including cadmium-free finishes for RoHS compliance. Utilizing M39029 rear release crimp contacts, they guarantee secure connections with options for different contact sizes. Perfect for military and aerospace applications, these connectors are built to withstand demanding environments with their environmental sealing and durable construction.