The MIL-DTL-38999 Series I connectors feature up to 128 contacts housed in an insert, offering robust environmental sealing for reliable performance in harsh conditions. With an operating temperature range of -65 °C to 200 °C, these connectors are suitable for a wide range of applications. Available in various mounting options including front wall mount, rear wall mount, and jam nut receptacles, they ensure secure installation. The connectors come in 9 shell sizes and 52 insert arrangements, accommodating diverse connectivity needs. Utilizing M39029 rear release crimp contacts, they provide efficient and durable connections. Constructed with high-strength aluminum shells and offered in different plating options such as electroless nickel and cadmium finishes, these connectors guarantee durability and corrosion resistance. Suitable for military and industrial environments, they meet stringent performance standards.