MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in a secure insert. With front wall mount, rear wall mount, and jam nut receptacles, they offer versatile connectivity options. These connectors are built to withstand extreme temperatures ranging from -65°C to 200°C, making them suitable for a wide range of applications. Utilizing M39029 rear release crimp contacts, they ensure reliable and efficient performance. Available in various plating options, including cadmium-free finishes, they meet RoHS compliance standards. The high-strength aluminum shells provide durability, while the environmentally sealed design offers protection against the elements. With a bayonet coupling mechanism, they ensure easy and secure mating. Ideal for military and industrial use, MIL-DTL-38999 Series I connectors are trusted for their rugged construction and high-performance capabilities.