The MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in an insert, designed for harsh environments. Featuring front wall mount, rear wall mount, and jam nut receptacles, they ensure reliable connections in demanding applications. With an operating temperature range of -65 °C to 200 °C, these connectors are suitable for a wide range of industries. Utilizing M39029 rear release crimp contacts and available in various shell sizes and insert arrangements, they provide flexibility in design and installation. Constructed with high strength aluminum shells and offered in different plating options, including RoHS compliant finishes, they guarantee durability and compliance with industry standards. With features like bayonet coupling and environment-resistant design, these connectors are ideal for military, aerospace, and industrial applications, ensuring reliable performance in challenging conditions.