MIL-DTL-38999 Series I connectors are engineered for rugged environments, featuring up to 128 contacts housed within a durable insert. With a wide operating temperature range of -65°C to 200°C, these connectors are ideal for harsh conditions. Available in various shell sizes and insert arrangements, they offer flexibility for different applications. The connectors come in high-strength aluminum shells with options for plating, including cadmium-free finishes. They are designed for front wall mount, rear wall mount, and jam nut receptacles, with RFI grounding plugs for added versatility. Utilizing M39029 rear release crimp contacts, they ensure reliable connectivity. These connectors, meeting military specification MIL-DTL-38999 I, are essential for demanding environments where durability and performance are paramount.