MIL-DTL-38999 Series I connectors offer robust performance in harsh environments with up to 128 contacts housed in an insert. These circular connectors, featuring front wall mount, rear wall mount, and jam nut receptacles with RFI grounding plugs, are designed for durability. Operating between -65 °C and 200 °C, they meet stringent military specifications and boast a wide range of shell sizes and insert arrangements. Utilizing M39029 rear release crimp contacts, they ensure reliable connectivity in critical applications. With various plating options available, including cadmium-free finishes, these connectors guarantee long-term functionality in demanding settings. Ideal for aerospace, defense, and industrial use, MIL-DTL-38999 Series I connectors are the trusted choice for secure and efficient electrical connections.