MIL-DTL-38999 Series I connectors feature up to 128 contacts, offering robust environmental sealing for versatile applications. With an operating temperature range from -65 °C to 200 °C, these connectors are ideal for harsh environments. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connectivity. Constructed with high-strength aluminum shells, they come in a range of plating options including cadmium-free finishes. The connector family includes front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, meeting MIL-DTL-38999 I specifications for reliability.