Designed for rugged environments, MIL-DTL-38999 Series II connectors offer reliable connectivity with up to 128 contacts in a secure insert. These environmentally sealed connectors operate effectively in temperatures ranging from -65 °C to 200 °C. With various mounting options including 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 feature M39029 rear release crimp contacts for efficient assembly. Crafted from durable aluminum, they come in multiple plating options such as cadmium and nickel, ensuring corrosion resistance. RoHS compliant finishes are also available, meeting environmental standards. Suitable for military and industrial applications, these connectors provide reliable performance in demanding settings.