The MIL-DTL-38999 Series I connectors boast up to 128 contacts within a secure insert, offering environmental sealing for reliable performance in harsh conditions. With an impressive operating temperature range of -65 °C to 200 °C, these connectors are designed for durability. Featuring front wall mount, rear wall mount, and jam nut receptacles, they cater to various installation needs. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, they ensure efficient connectivity. Encased in high-strength aluminum shells with plating options including electroless nickel, they guarantee longevity. RoHS certified finishes are available, making them a sustainable choice for diverse applications.