MIL-DTL-38999 Series II connectors offer robust connectivity solutions, featuring up to 128 contacts in a sealed insert. Designed for harsh environments, these connectors operate reliably in temperatures ranging from -65 °C to 200 °C. With various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. Crafted from durable aluminum, they come with a choice of plating options, including cadmium-free finishes for RoHS compliance. Ideal for military and industrial applications, these connectors ensure dependable performance in demanding conditions.