MIL-DTL-38999 Series I connectors feature up to 128 contacts housed in an insert, providing robust connectivity for harsh environments. With an 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 requirements. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS-certified finishes, these connectors ensure reliable performance. The connector family includes front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, catering to diverse mounting needs. These connectors utilize M39029 rear release crimp contacts, ensuring secure connections. Overall, MIL-DTL-38999 Series I connectors are designed for durability, with a service rating of M and ingress protection for environmental resilience.