MIL-DTL-38999 Series I connectors are designed for demanding environments, featuring up to 128 contacts in a secure insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for rugged applications. Available in various shell sizes and insert arrangements, they offer flexibility for different connectivity needs. Constructed with high-strength aluminum shells and offered in multiple plating options, including RoHS-certified finishes, these connectors ensure reliable performance. The family includes front and rear wall mount, as well as jam nut receptacles, with RFI grounding plugs for added versatility. Utilizing M39029 rear release crimp contacts in various sizes, they guarantee efficient and secure connections. Suitable for military use, these connectors meet MIL-DTL-38999 I specifications, providing a high level of durability and environmental sealing.