MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, offering environmental sealing and an operational range from -65°C to 200°C. This harsh environment connector family includes front and rear wall mount options, along with jam nut receptacles and RFI grounding plugs. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts in various sizes. Constructed with high-strength aluminum shells, these connectors come with plating options such as cadmium-free finishes and are RoHS certified. Ideal for military and industrial applications, they ensure reliable performance in demanding environments.