The MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts and environmental sealing. With an operating temperature range from -65 °C to 200 °C, they offer reliable performance in harsh conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount, these connectors ensure versatility in installation. Constructed with aluminum shells and offering multiple plating options, including cadmium-free finishes, they meet RoHS compliance standards. Utilizing M39029 rear release crimp contacts, these connectors provide secure connections. The 65-contact configuration, along with gold plating and a straight plug shell style, make them ideal for demanding applications. With a service rating of M and durability of 500 cycles, they guarantee long-lasting functionality in environment-resistant settings.