The MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, offering reliable connectivity in harsh environments. With a wide operating temperature range of -65°C to 200°C, these connectors are ideal for demanding applications. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility in installation. The connectors come in aluminum shells with multiple plating options, ensuring durability and corrosion resistance. Designed for military specifications, these connectors are suitable for aerospace, defense, and other rugged environments.