MIL-DTL-38999 Series I connectors, designed for harsh environments, feature up to 128 contacts in an insert and are environmentally sealed for reliable performance. With a wide operating temperature range of -65 °C to 200 °C, these connectors are suitable for demanding applications. Available in various shell sizes and insert arrangements, they offer versatility in connectivity. The connectors come in high-strength aluminum shells with options for plating, including cadmium-free finishes for RoHS compliance. Offering front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they cater to diverse installation needs. Utilizing M39029 rear release crimp contacts, these connectors ensure secure connections. Suitable for military specifications, these connectors are ideal for applications requiring durability and performance in challenging environments.