MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. These connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Available in various configurations including front wall mount, rear wall mount, and jam nut receptacles, they offer reliable RFI grounding. Compliant with military specification MIL-DTL-38999 I, they come in high-strength aluminum shells with a choice of plating options such as cadmium-free finishes. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors ensure secure and efficient connectivity in demanding applications.