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 mounting options including front and rear wall mount, as well as jam nut receptacles, they offer versatility in installation. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, these connectors ensure secure connections. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS certified finishes, they provide durability and reliability. Suitable for military and industrial applications requiring rugged connectivity, these connectors meet MIL-DTL-38999 I specifications.