MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts, designed for demanding environments. Featuring front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs, these connectors ensure secure and reliable connections. With a wide operating temperature range from -65°C to 200°C, they are suitable for harsh conditions. Available in various shell sizes and insert arrangements, they use M39029 rear release crimp contacts for efficient installation. The connectors come in durable aluminum shells with multiple plating options, including cadmium-free finishes. RoHS certified, they meet stringent environmental standards, making them ideal for military and industrial applications.