The MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with a wide operating temperature range from -65 °C to 200 °C. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. These connectors come in aluminum shells with options for RoHS certified finishes, ensuring durability and compliance. Utilizing M39029 rear release crimp contacts, they guarantee secure and reliable connections. With gold-plated contacts and a bayonet coupling design, they provide excellent conductivity and mating performance. Ideal for military and industrial applications, these connectors are engineered for high reliability and longevity, meeting stringent MIL-DTL-38999 II specifications.