MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various styles including front and rear wall mount, as well as jam nut receptacles, they offer reliable connectivity for demanding applications. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, these connectors are built for durability. With a range of plating options such as gold, electroless nickel, and cadmium-free finishes, they ensure robust performance in diverse settings. The high strength aluminum shells provide sturdy protection, while the bayonet coupling mechanism facilitates easy and secure mating. Ideal for military and industrial use, these connectors meet MIL-DTL-38999 I specifications, guaranteeing quality and reliability in critical operations.