MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65°C to 200°C. Available in various configurations including front and rear wall mount and jam nut receptacles, these connectors offer RFI grounding plugs and utilize M39029 rear release crimp contacts. With 9 shell sizes and 52 insert arrangements, they are adaptable for different applications. Constructed with high-strength aluminum shells, they come in a range of plating options including cadmium-free finishes. These connectors, meeting military specification MIL-DTL-38999 I, ensure reliable performance in demanding conditions.