The MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, offering high-density connectivity in harsh environments. With an operating temperature range of -65 °C to 200 °C, they are well-suited for demanding applications. Available in various shell sizes and insert arrangements, these connectors come in front wall mount, rear wall mount, and jam nut receptacle options. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. Constructed with high-strength aluminum shells, they are offered in multiple plating options, including cadmium-free finishes for RoHS compliance. These connectors, designed for military specifications, provide durable and efficient electrical connectivity for critical operations.