MIL-DTL-38999 Series II connectors are designed for harsh environments, boasting up to 128 contacts within an insert for robust connectivity. With front and rear wall mounts, jam nut, and box mount receptacles, they offer versatile installation options. Available in 9 shell sizes and 52 insert arrangements, these connectors feature M39029 rear release crimp contacts in various sizes. Crafted from aluminum, they come with a choice of plating options, including cadmium-free finishes for RoHS compliance. Operating between -65°C and 200°C, they ensure reliable performance in extreme conditions, making them ideal for military and industrial applications.