The MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, these connectors feature various mounting options including front and rear wall mount, jam nut, and box mount receptacles. Available in aluminum shells with plating options such as electroless nickel and cadmium olive drab, they ensure durability and reliability. Operating in a wide temperature range from -65°C to 200°C, these connectors are ideal for military and industrial applications. With M39029 rear release crimp contacts and gold plating, they guarantee secure and efficient electrical connections. RoHS compliant options are also available, making them suitable for environmentally conscious projects.