The MIL-DTL-38999 Series II connectors are designed for rugged environments, with up to 128 contacts housed in a secure insert. Operating efficiently in temperatures ranging from -65 °C to 200 °C, these connectors offer reliable performance in harsh conditions. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. Crafted from durable aluminum, with plating options including cadmium-free finishes, they ensure durability and longevity. Ideal for military and industrial applications, these connectors are RoHS compliant and offer superior conductivity and environmental protection.