MIL-DTL-38999 Series I connectors are designed for demanding environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65°C to 200°C, they offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come with M39029 rear release crimp contacts for secure connections. The high-strength aluminum shells are plated with options like gold, electroless nickel, and cadmium-free finishes for enhanced durability. Offering wall mount, jam nut, and RFI grounding plug options, they provide versatility in installation. Meeting MIL-DTL-38999 I military specifications, these connectors ensure rugged reliability for critical applications.