MIL-DTL-38999 Series II connectors offer reliable connectivity in harsh environments, featuring up to 128 contacts housed in a durable insert. With an impressive operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. The connectors come in 9 shell sizes and 52 insert arrangements, accommodating different contact configurations. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Constructed with aluminum shells and offering plating options including cadmium-free finishes, these connectors prioritize performance and environmental compliance. Suitable for military and industrial use, they meet MIL-DTL-38999 II specifications for quality and reliability.