MIL-DTL-38999 Series I connectors feature up to 128 contacts housed in environmentally sealed inserts, designed for harsh operating conditions with a wide temperature range from -65°C to 200°C. Available in various shell sizes and insert arrangements, they offer versatility with front and rear wall mount options, as well as jam nut receptacles with RFI grounding plugs. Utilizing M39029 rear release crimp contacts, these connectors ensure secure connections in aerospace and military applications. Crafted from high-strength aluminum with plating options including cadmium-free finishes, they meet stringent performance standards. The durable construction, coupled with gold-plated contacts and Bayonet coupling, guarantees reliable conductivity and longevity, making them ideal for demanding environments.