MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, offering durable environmental sealing for reliable performance in harsh conditions. With an operating temperature range from -65 °C to 200 °C, these connectors are versatile and robust. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts in different sizes for flexibility. Constructed with high-strength aluminum shells and offering a choice of plating options, including RoHS-compliant finishes, these connectors ensure long-lasting durability. Designed for military specifications, they come in different mounting options, such as front and rear wall mount, and jam nut receptacles, with RFI grounding plugs. Ideal for applications requiring secure and efficient electrical connections, these MIL-DTL-38999 I connectors are essential components in demanding environments.