MIL-DTL-38999 Series I connectors boast a high contact density of up to 128 inserts, ensuring robust connectivity in harsh environments. With a wide operating temperature range from -65 °C to 200 °C, these connectors are built for reliability. Featuring front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they offer versatile installation options. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. Constructed with high-strength aluminum shells and various plating options, including cadmium-free finishes, they meet stringent military specifications for durability. With gold-plated, removable crimp contacts and bayonet coupling, these connectors provide efficient and long-lasting performance in demanding applications.