The MIL-DTL-38999 Series I connectors are designed for harsh environments, offering up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors are versatile and reliable. Featuring front and rear wall mount options, as well as jam nut receptacles, they provide flexibility in installation. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 8. Constructed with high-strength aluminum shells and available in various plating options, including cadmium-free finishes, these connectors meet stringent military specifications. Suitable for demanding applications, they offer durability and performance in critical environments.