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 configurations including front and rear wall mount, jam nut receptacles, and RFI grounding plugs, these connectors offer versatility in connectivity. Utilizing M39029 rear release crimp contacts, they ensure reliable connections in sizes 22D, 22M, 22, 20, 16, and 8. Encased in high-strength aluminum shells with plating options such as cadmium and nickel, they meet stringent military specifications for durability. Suitable for demanding applications, these connectors provide secure and efficient electrical coupling in aerospace, defense, and industrial settings.