MIL-DTL-38999 Series I connectors are designed for rugged environments, offering up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for harsh conditions. Available in various shell sizes and insert arrangements, they feature front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS-certified finishes, they ensure reliable performance. The connectors use M39029 rear release crimp contacts, providing secure connections. Suitable for military and industrial applications, they meet stringent MIL-DTL-38999 I specifications for durability and reliability in demanding environments.