The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, including front wall mount, rear wall mount, and jam nut receptacles, they offer versatility in installation. The connectors utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, providing reliable connectivity. Constructed with high-strength aluminum shells and offered in different plating options, such as gold, electroless nickel, and cadmium-free finishes, they ensure durability and performance. Meeting MIL-DTL-38999 I military specification standards, these connectors guarantee quality and compliance. Suitable for use in aerospace, defense, and other mission-critical applications, they provide a secure and efficient electrical connection solution.