MIL-DTL-38999 Series II connectors feature up to 128 contacts within an insert, offering robust environmental sealing for reliable performance in harsh conditions. With a wide operating temperature range from -65 °C to 200 °C, these connectors are suitable for demanding applications. Available in various receptacle types such as front and rear wall mount, jam nut, and box mount, they provide flexibility in installation. The connectors come in aluminum shells with options for plating, including cadmium-free finishes for RoHS compliance. Utilizing M39029 rear release crimp contacts, they ensure secure connections, with gold plating for enhanced conductivity. Designed for military specifications, these connectors are ideal for use in aerospace, defense, and industrial applications requiring rugged and dependable connectivity.