The MIL-DTL-38999 Series II connectors are engineered for rugged environments, featuring up to 128 contacts in an insert for robust connectivity. With an impressive operating temperature range of -65°C to 200°C, these connectors offer reliable performance in extreme conditions. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility for different applications. Constructed with durable aluminum shells and offered in RoHS compliant finishes, these connectors ensure long-lasting durability and compliance with environmental regulations. The use of M39029 rear release crimp contacts guarantees secure connections, while options like gold contact plating and electroless nickel coating enhance conductivity and corrosion resistance. Perfect for military and industrial use, these MIL-DTL-38999 Series II connectors are the ideal choice for demanding applications requiring high-performance connectivity in harsh environments.