MIL-DTL-38999 Series I connectors are designed for demanding environments, featuring up to 128 contacts in an insert with front wall mount, rear wall mount, and jam nut receptacles. Operating in temperatures ranging from -65 °C to 200 °C, they offer versatility and reliability. Utilizing M39029 rear release crimp contacts in various sizes, these connectors come in high-strength aluminum shells with multiple plating options, including RoHS certified finishes. With a rugged construction and environmentally sealed design, they ensure optimal performance in military and industrial applications.