The MIL-DTL-38999 Series I connectors boast exceptional durability and performance in harsh environments. With up to 128 contacts housed within an environmentally sealed insert, these connectors operate reliably in extreme temperatures ranging from -65°C to 200°C. Available in various shell sizes and insert arrangements, they feature M39029 rear release crimp contacts for secure connections. Crafted from high-strength aluminum, these connectors offer versatile plating options, including cadmium-free finishes. Their bayonet coupling and jam nut mounting options cater to diverse application needs, while the gold-plated contacts ensure optimal conductivity. Designed to meet stringent military specifications, these connectors guarantee long-lasting performance, making them ideal for critical industrial and aerospace applications.