The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range from -65°C to 200°C, these connectors offer reliable performance in extreme conditions. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse applications. Utilizing M39029 rear release crimp contacts, these connectors ensure secure connections. Constructed with aluminum shells and offering plating options like electroless nickel, they are durable and corrosion-resistant. Certified for RoHS compliance, these connectors are ideal for military and industrial use, providing high conductivity and ingress protection.