MIL-DTL-38999 Series II connectors offer reliable performance in harsh environments, featuring up to 128 contacts within a secure insert. These circular receptacles, available in various mount types like jam nut, front and rear wall mount, and box mount, are designed for military specifications. With a wide operating temperature range of -65°C to 200°C, they ensure durability in extreme conditions. The connectors, made of aluminum, come with gold-plated crimp contacts for optimal conductivity. Their electroless nickel and iridescent yellow cadmium finishes provide corrosion resistance. Meeting RoHS compliance, these connectors guarantee high-quality connectivity for military and industrial applications.