MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environments with operating temperatures ranging from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, these connectors offer front and rear wall mount options, as well as jam nut receptacles with RFI grounding plugs. Constructed with high-strength aluminum shells, they come in a range of plating options including cadmium-free finishes. Utilizing M39029 rear release crimp contacts, these connectors ensure reliable connectivity with gold-plated sockets. Meeting military specification MIL-DTL-38999 I, they are ideal for applications requiring durable and secure electrical connections.