MIL-DTL-38999 Series II connectors are designed for demanding environments, featuring up to 128 contacts in a secure insert. With a wide operating temperature range of -65°C to 200°C, these connectors ensure reliable performance in extreme conditions. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. The connectors utilize M39029 rear release crimp contacts, providing efficient connectivity. Constructed with aluminum shells and offering multiple plating options, including RoHS compliant finishes, they prioritize durability and environmental compliance. Suitable for military and industrial applications, these connectors are ideal for ensuring seamless electrical connections in harsh settings.