MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, offering robust environmental sealing and a wide operating temperature range of -65 °C to 200 °C. These harsh environment connectors come in various configurations including front and rear wall mount, jam nut, and box mount receptacles, as well as straight and 90-degree cable clamp plugs. With 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells and offering plating options such as electroless nickel and cadmium finishes, they ensure reliable performance in demanding applications. Designed for military specifications, these connectors are essential for secure and efficient electrical connections in aerospace, defense, and other critical industries.
