MIL-DTL-38999 Series I connectors offer exceptional durability and performance for harsh environments. With up to 128 contacts in a single insert, these connectors provide reliable connectivity in a wide range of applications. Featuring front wall mount, rear wall mount, and jam nut receptacles, they are designed for versatility. The connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C, making them suitable for use in extreme conditions. Constructed with high-strength aluminum shells and available in various plating options, including cadmium-free finishes, they ensure longevity and compliance with RoHS standards. With M39029 rear release crimp contacts in multiple sizes, including coax and twinax, these connectors offer flexibility in design and assembly. Suitable for military and industrial use, the MIL-DTL-38999 Series I connectors are a reliable choice for demanding applications.