MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range from -65°C to 200°C. Available in various shell sizes and insert arrangements, they offer front wall mount, rear wall mount, and jam nut receptacles with RFI grounding plugs. Constructed with high-strength aluminum shells and a choice of plating options including cadmium-free finishes, these connectors ensure reliable performance in demanding applications. Utilizing M39029 rear release crimp contacts, they guarantee secure connections, with a mating type of bayonet for easy installation. Ideal for military and industrial use, these connectors are built to withstand environmental challenges and provide long-lasting functionality, meeting MIL-DTL-38999 I specifications.