MIL-DTL-38999 Series I connectors offer robust performance in demanding environments, featuring up to 128 contacts in an insert with environmental sealing. Designed for versatility, they come in various shell sizes and insert arrangements, accommodating M39029 rear release crimp contacts. With options for front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, these connectors ensure secure connections. Crafted from high-strength aluminum, they are available in a range of plating options, including RoHS-certified finishes. Operating efficiently in temperatures ranging from -65 °C to 200 °C, these connectors are ideal for military and aerospace applications, providing reliable performance in harsh conditions.