The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range from -65 °C to 200 °C, they are ideal for rugged applications. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility in installation. Constructed with durable aluminum shells and offering multiple plating options, they ensure reliable performance. Compliant with military specifications, these connectors are suitable for demanding applications where environmental protection and durability are essential.