MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in an insert with environmental sealing. Offering reliable performance in extreme conditions, they operate between -65 °C and 200 °C. The connectors, available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, are ideal for military and aerospace applications. With gold-plated removable crimp contacts, they ensure optimal conductivity and durability. Constructed with aluminum shells and compliant with RoHS regulations, these connectors guarantee long-lasting performance while meeting environmental standards.