MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert and are designed for harsh environments. With a wide operating temperature range from -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they offer flexibility for different connectivity needs. Made of high-strength aluminum, they come with options for plating, including cadmium-free finishes. The connectors are environmentally sealed and come in different mounting types, including front wall mount, rear wall mount, and jam nut receptacles. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. These connectors, with their bayonet coupling and RFI grounding plugs, meet MIL-DTL-38999 I military specifications, making them suitable for military and aerospace applications.