The MIL-DTL-38999 Series II connectors offer rugged performance with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, they operate reliably in temperatures ranging from -65 °C to 200 °C. Available in various configurations, including front and rear wall mount, jam nut, and box mount receptacles, these connectors feature durable aluminum shells with options for plating, such as electroless nickel and cadmium finishes. With M39029 rear release crimp contacts, they ensure secure connections in military and industrial applications. Certified for RoHS compliance, these connectors provide reliable conductivity and protection, making them ideal for demanding environments.