The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors are suitable for a wide range of applications. Available in various shell sizes and insert arrangements, they offer flexibility in design. Constructed with high-strength aluminum shells and offered in different plating options, including RoHS certified finishes, they ensure durability and reliability. The connectors come in different mounting options, including front and rear wall mount, and jam nut receptacles, all featuring RFI grounding plugs. Utilizing M39029 rear release crimp contacts, they provide secure connections. Overall, the MIL-DTL-38999 I connectors are ideal for demanding military and industrial environments where performance and longevity are crucial.