MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in an insert for reliable connectivity. With a wide operating temperature range of -65°C to 200°C, these connectors are suitable for diverse applications. Available in various shell sizes and insert arrangements, they offer flexibility in design. The connectors come in high-strength aluminum shells with options for plating, including cadmium-free finishes. Featuring front and rear wall mount as well as jam nut receptacles, they provide versatile installation options. Utilizing M39029 rear release crimp contacts, these connectors ensure secure connections. RoHS compliant options are also available, making them environmentally friendly choices for demanding applications.