The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65°C to 200°C, these connectors are suitable for a wide range of applications. Available in various shell sizes and insert arrangements, they offer versatility in design. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS-certified finishes, these connectors ensure reliable performance. The connectors, with front wall mount, rear wall mount, and jam nut receptacles, utilize M39029 rear release crimp contacts for secure connections. Meeting MIL-DTL-38999 I military specifications, they guarantee durability and functionality in demanding scenarios.