MIL-DTL-38999 Series I connectors offer robust connectivity solutions for harsh environments, featuring up to 128 contacts in an insert. With front wall mount, rear wall mount, and jam nut receptacles, these connectors are sealed against environmental elements and operate reliably in temperatures ranging from -65 °C to 200 °C. Constructed with high-strength aluminum shells, they come in various plating options, including cadmium-free finishes for RoHS compliance. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and efficient connections, making them ideal for military and aerospace applications.