MIL-DTL-38999 Series I connectors offer high-contact density with up to 128 contacts in an insert, ensuring robust connectivity in harsh environments. Designed for durability, these connectors feature front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. With an operating temperature range spanning -65 °C to 200 °C, they are suitable for a wide range of applications. Available in 9 shell sizes and 52 insert arrangements, these connectors use M39029 rear release crimp contacts in various sizes. Constructed with high-strength aluminum shells and offering multiple plating options, including cadmium-free finishes, they meet stringent RoHS standards. Perfect for military and industrial use, these connectors guarantee reliable performance with their conductive contact style and environment-resistant design.