MIL-DTL-38999 Series I connectors feature up to 128 contacts, offering robust environmental sealing and a wide operating temperature range of -65°C to 200°C. Available in various shell sizes and insert arrangements, they include front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. Utilizing M39029 rear release crimp contacts, these connectors ensure reliable connectivity in harsh environments. Constructed with high-strength aluminum shells, they come with multiple plating options, including cadmium-free finishes. Compliant with MIL-DTL-38999 I military specifications, these circular connectors are ideal for demanding applications requiring durability and performance.