MIL-DTL-38999 Series II connectors are engineered for rugged environments, offering up to 128 contacts in a single insert. With an impressive operating temperature range of -65 °C to 200 °C, these connectors provide reliable performance in extreme conditions. Featuring various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. Available in 9 shell sizes and 52 insert arrangements, these connectors use M39029 rear release crimp contacts for secure connections. Crafted from durable aluminum, they come in a range of plating options, including cadmium-free finishes for RoHS compliance. Ideal for military and industrial applications, these connectors ensure dependable connectivity in harsh environments.