MIL-DTL-38999 Series II connectors are rugged, environmentally sealed components designed for harsh operating conditions. With up to 128 contacts per insert, they offer high-density connectivity in various mounting configurations, including wall, box, and jam nut receptacles. Featuring rear release crimp contacts, these connectors ensure secure and reliable connections in aerospace and defense applications. Available in aluminum shells with RoHS-compliant plating options, they guarantee durability and performance in extreme environments. With a wide operating temperature range from -65 °C to 200 °C, these connectors are ideal for mission-critical systems that demand uncompromising reliability.