MIL-DTL-38999 Series I connectors boast up to 128 contacts housed within a rugged insert, providing reliable connectivity in harsh environments. With an operating range spanning from -65 °C to 200 °C, these connectors are ideal for demanding applications. Featuring front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs, they offer versatility in installation. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts in various sizes, including coax and twinax options. Constructed with high-strength aluminum shells and offered in a range of plating options, including RoHS-certified finishes, these connectors ensure durability and performance. Perfect for military and industrial use, they guarantee reliable electrical connections in challenging conditions.