MIL-DTL-38999 Series I connectors are rugged and reliable, designed for harsh environments with up to 128 contacts in an insert. Featuring front and rear wall mount options, as well as jam nut receptacles, they offer secure connectivity. Operating in temperatures ranging from -65 °C to 200 °C, these connectors are ideal for demanding applications. With various plating options available, including cadmium-free finishes, they provide flexibility for different environmental requirements. Made with high-strength aluminum shells, they ensure durability and longevity. The M39029 rear release crimp contacts, in sizes 22D, 22M, 22, 20, 16, and 8, offer efficient and reliable connections. These MIL-DTL-38999 I connectors meet stringent military specifications, making them a trusted choice for aerospace, defense, and other critical industries.