MIL-DTL-38999 Series I connectors offer reliable connectivity in harsh environments with up to 128 contacts housed in an insert. Featuring front and rear wall mount options, as well as jam nut receptacles, they provide versatility in installation. RFI grounding plugs ensure optimal signal integrity. With a wide range of shell sizes and insert arrangements, these connectors accommodate various applications. Constructed with high-strength aluminum shells and available in different plating options, including RoHS-certified finishes, they are durable and environmentally friendly. Operating between -65 °C and 200 °C, these connectors are suitable for demanding conditions. Designed for military specifications, they meet rigorous performance standards, making them ideal for aerospace, defense, and industrial applications.